English-Thai Dictionary

differential

ADJ ซึ่ง มี ความแตกต่าง กัน  ก่อให้เกิด  sueng-me-kwam-taek-tang-kan

 

differential

ADJ เกี่ยวกับ ความแตกต่าง ของ การเคลื่อนไหว (เครื่องกล  kiao-kab-kwam-taek-tang-kong-kan-kluean-wai

 

differentially

ADV อย่าง ต่างกัน 

 

Webster's 1828 Dictionary

DIFFERENTIAL

a.An epithet applied to an infinitely small quantity, so small as to be less than any assignable quantity. This is called a differential quantity. The differential method is applied to the doctrine of infinitesimals, or infinitely small quantities, called the arithmetic of fluxions. It consists in descending from whole quantities to their infinitely small differences, and comparing them. Hence it is called the differential calculus, or analysis of infinitesimals.

 

Webster's 1913 Dictionary

DIFFERENTIAL

Dif `fer *en "tial, a. Etym: [Cf. F. différentiel. ]

 

1. Relating to or indicating a difference; creating a difference; discriminating; special; as, differential characteristics; differential duties; a differential rate. For whom he produced differential favors. Motley.

 

2. (Math. )

 

Defn: Of or pertaining to a differential, or to differentials.

 

3. (Mech. )

 

Defn: Relating to differences of motion or leverage; producing effects by such differences; said of mechanism. Differential calculus. (Math. ) See under Calculus. -- Differential coefficient, the limit of the ratio of the increment of a function of a variable to the increment of the variable itself, when these increments are made indefinitely small. -- Differential coupling, a form of slip coupling used in light machinery to regulate at pleasure the velocity of the connected shaft. -- Differential duties (Polit. Econ.), duties which are not imposed equally upon the same products imported from different countries. -- Differential galvanometer (Elec.), a galvanometer having two coils or circuits, usually equal, through which currents passing in opposite directions are measured by the difference of their effect upon the needle. -- Differential gearing, a train of toothed wheels, usually an epicyclic train, so arranged as to constitute a differential motion. -- Differential motion, a mechanism in which a simple differential combination produces such a change of motion or force as would, with ordinary compound arrangements, require a considerable train of parts. It is used for overcoming great resistance or producing very slow or very rapid motion. -- Differential pulley. (Mach. ) (a ) A portable hoisting apparatus, the same in principle as the differential windlass. (b ) A hoisting pulley to which power is applied through a differential gearing. -- Differential screw, a compound screw by which a motion is produced equal to the difference of the motions of the component screws. -- Differential thermometer, a thermometer usually with a U-shaped tube terminating in two air bulbs, and containing a colored liquid, used for indicating the difference between the temperatures to which the two bulbs are exposed, by the change of position of the colored fluid, in consequence of the different expansions of the air in the bulbs. A graduated scale is attached to one leg of the tube. -- Differential windlass, or Chinese windlass, a windlass whose barrel has two parts of different diameters. The hoisting rope winds upon one part as it unwinds from the other, and a pulley sustaining the weight to be lifted hangs in the bight of the rope. It is an ancient example of a differential motion.

 

DIFFERENTIAL

DIFFERENTIAL Dif `fer *en "tial, n.

 

1. (Math. )

 

Defn: An increment, usually an indefinitely small one, which is given to a variable quantity.

 

Note: According to the more modern writers upon the differential and integral calculus, if two or more quantities are dependent on each other, and subject to increments of value, their differentials need not be small, but are any quantities whose ratios to each other are the limits to which the ratios of the increments approximate, as these increments are reduced nearer and nearer to zero.

 

2. A small difference in rates which competing railroad lines, in establishing a common tariff, allow one of their number to make, in order to get a fair share of the business. The lower rate is called a differential rate. Differentials are also sometimes granted to cities.

 

3. (Elec.) (a ) One of two coils of conducting wire so related to one another or to a magnet or armature common to both, that one coil produces polar action contrary to that of the other. (b ) A form of conductor used for dividing and distributing the current to a series of electric lamps so as to maintain equal action in all. Knight. Partial differential (Math. ), the differential of a function of two or more variables, when only one of the variables receives an increment. -- Total differential (Math. ), the differential of a function of two or more variables, when each of the variables receives an increment. The total differential of the function is the sum of all the partial differentials.

 

DIFFERENTIALLY

DIFFERENTIALLY Dif `fer *en "tial *ly, adv.

 

Defn: In the way of differentiation.

 

New American Oxford Dictionary

differential

dif fer en tial |ˌdifəˈrenCHəl ˈˌdɪfəˈrɛn (t )ʃəl |chiefly technical ▶adjective [ attrib. ] of, showing, or depending on a difference; differing or varying according to circumstances or relevant factors: the differential achievements of boys and girls. • constituting a specific difference; distinctive: the differential features between benign and malignant tumors. • Mathematics relating to infinitesimal differences or to the derivatives of functions. • of or relating to a difference in a physical quantity: a differential amplifier. ▶noun a difference between amounts of things: the differential between gasoline and diesel prices. • Mathematics an infinitesimal difference between successive values of a variable. • (also differential gear ) a set of gears allowing a vehicle's driven wheels to revolve at different speeds when going around corners. DERIVATIVES dif fer en tial ly adverb ORIGIN mid 17th cent.: from medieval Latin differentialis, from Latin differentia ‘difference ’ (see differentia ).

 

differential calculus

dif fer en tial cal cu lus |ˈˌdɪfəˈrɛn (t )ʃəl ˈkælkjələs | ▶noun a branch of mathematics concerned with the determination, properties, and application of derivatives and differentials. Compare with integral calculus.

 

differential coefficient

dif fer en tial co ef fi cient ▶noun Mathematics another term for derivative.

 

differential diagnosis

dif fer en tial di ag no sis ▶noun Medicine the process of differentiating between two or more conditions that share similar signs or symptoms.

 

differential equation

dif fer en tial e qua tion |ˈˌdɪfəˈrɛn (t )ʃəl əˈkweɪʒən | ▶noun an equation involving derivatives of a function or functions.

 

differential lock

dif fer en tial lock ▶noun a device that disables the differential of a motor vehicle in slippery conditions to improve grip.

 

differential operator

dif fer en tial op er a tor ▶noun Mathematics another term for del.

 

differential windlass

dif fer en tial wind lass ▶noun a hoisting device consisting of two drums of different diameters on the same axis and turning at the same rate, so that a line wound on the larger drum and unwound from the smaller drum provides a mechanical advantage in lifting. Also called Chinese windlass.

 

Oxford Dictionary

differential

differential |ˌdɪfəˈrɛnʃ (ə )l |chiefly technical ▶adjective [ attrib. ] of, showing, or depending on a difference; varying according to circumstances or relevant factors: the differential achievements of boys and girls. • constituting a specific difference; distinctive: the differential features between benign and malignant tumours. • Mathematics relating to infinitesimal differences or to the derivatives of functions. • relating to a difference in a physical quantity: a differential amplifier. ▶noun a difference between amounts of things: the differential between petrol and diesel prices. • Brit. a difference in wages between industries or between categories of employees in the same industry: regional differentials in pay. • Mathematics an infinitesimal difference between successive values of a variable. • (also differential gear ) a gear allowing a vehicle's driven wheels to revolve at different speeds in cornering. DERIVATIVES differentially adverb ORIGIN mid 17th cent.: from medieval Latin differentialis, from Latin differentia ‘difference ’ (see differentia ).

 

differential calculus

dif ¦fer |en |tial cal ¦cu |lus ▶noun [ mass noun ] a branch of mathematics concerned with the determination, properties, and application of derivatives and differentials. Compare with integral calculus.

 

differential coefficient

dif ¦fer |en |tial co |ef ¦fi ¦cient ▶noun Mathematics another term for derivative.

 

differential diagnosis

dif ¦fer |en |tial diag |no ¦sis ▶noun Medicine the process of differentiating between two or more conditions which share similar signs or symptoms.

 

differential equation

dif ¦fer |en |tial equa |tion ▶noun an equation involving derivatives of a function or functions.

 

differential lock

dif ¦fer |en |tial lock ▶noun a device which disables the differential of a motor vehicle in slippery conditions to improve grip.

 

differential operator

dif ¦fer |en |tial op ¦er |ator ▶noun Mathematics another term for del.

 

differential windlass

dif fer en tial wind lass ▶noun a hoisting device consisting of two drums of different diameters on the same axis and turning at the same rate, so that a line wound on the larger drum and unwound from the smaller drum provides a mechanical advantage in lifting. Also called Chinese windlass.

 

American Oxford Thesaurus

differential

differential adjective technical 1 the differential achievements of boys and girls: different, dissimilar, contrasting, unalike, divergent, disparate, contrastive. ANTONYMS similar. 2 the differential features of benign and malignant tumors: distinctive, distinguishing. ANTONYMS similar.

 

Oxford Thesaurus

differential

differential adjective differential treatment is accorded to working- and middle-class crime: distinctive, different, dissimilar, contrasting, divergent, disparate, contrastive; distinguishing, discriminating, discriminatory. ANTONYMS similar, the same. ▶noun the cost differential is rapidly diminishing: difference, gap, gulf, divergence, disparity, discrepancy, imbalance, inequality, contrast, distinction. ANTONYMS uniformity.

 

Sanseido Wisdom Dictionary

differential

dif fer en tial /dɪ̀fərénʃ (ə )l /名詞 1 C ｟かたく ｠a. «…の間の » 差 (異 ), 差額 «between » .b. ｟英 ｠(同一企業内の労働者間の )賃金格差 .2 U 〘数 〙微分 .3 C 差動歯車 (differential gear ).形容詞 1 ｟かたく ｠〖名詞 の前で 〗区別の, 差別の, 差別的な .2 特異な, 特性を示す .3 〘数 〙微分の .4 〘物理 機 〙差動の .～̀ c á lculus 〖(the ) ～〗〘数 〙微分 (学 ).～́ coeff í cient 〘数 〙微 (分 )係数 .～̀ equ á tion 〘数 〙微分方程式 .