English-Thai Dictionary
Quaternary
ADJ ซึ่ง เป็น ของ ยุคหิน ใหม่ sueng-pen-kong-yuk-hin-mai
quaternary
ADJ ซึ่ง ประกอบด้วย สี่ ส่วน sueng-pra-kob-duai-se-suan
Webster's 1828 Dictionary
QUATERNARY
n.[L. quaternarius, from quatuor, four. ] The number four.
QUATERNARY
a.Consisting of four.
Webster's 1913 Dictionary
QUATERNARY
Qua *ter "na *ry, a. Etym: [L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See Four. ]
1. Consisting of four; by fours, or in sets of four.
2. (Geol.)
Defn: Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man.
QUATERNARY
Qua *ter "na *ry, n. Etym: [L. numerus quaternarius: cf. F.quaternaire. ]
1. The number four. Boyle.
2. (Geol.)
Defn: The Quaternary age, era, or formation. See the Chart of Geology.
New American Oxford Dictionary
quaternary
quat er nar y |ˈkwätərˌnerē ˈkwɑdərnɛri | ▶adjective 1 fourth in order or rank; belonging to the fourth order. 2 ( Quaternary ) Geology of, relating to, or denoting the most recent period in the Cenozoic era, following the Tertiary period and comprising the Pleistocene and Holocene epochs (and thus including the present ). 3 Chemistry denoting an ammonium compound containing a cation of the form NR 4 +, where R represents organic groups or atoms other than hydrogen. • (of a carbon atom ) bonded to four other carbon atoms. ▶noun (the Quaternary ) Geology the Quaternary period or the system of deposits laid down during it. The Quaternary began about 1,640,000 years ago. Humans and other mammals evolved into their present forms and were strongly affected by the ice ages of the Pleistocene. ORIGIN late Middle English (as a noun denoting a set of four ): from Latin quaternarius, from quaterni ‘four at once, ’ from quater ‘four times, ’ from quattuor ‘four. ’
Oxford Dictionary
quaternary
quaternary |kwəˈtəːn (ə )ri | ▶adjective 1 fourth in order or rank; belonging to the fourth order. 2 ( Quaternary ) Geology relating to or denoting the most recent period in the Cenozoic era, following the Tertiary period and comprising the Pleistocene and Holocene epochs. 3 Chemistry denoting an ammonium compound containing a cation of the form NR 4 +, where R represents organic groups or atoms other than hydrogen. • (of a carbon atom ) bonded to four other carbon atoms. ▶noun ( the Quaternary ) Geology the Quaternary period or the system of deposits laid down during it. The Quaternary began about 1,640,000 years ago and is still current. Humans and other mammals evolved into their present forms, and were strongly affected by the ice ages of the Pleistocene. ORIGIN late Middle English (as a noun denoting a set of four ): from Latin quaternarius, from quaterni ‘four at once ’, from quater ‘four times ’, from quattuor ‘four ’.
Sanseido Wisdom Dictionary
quaternary
qua ter na ry /kwɑ́ːtə r nèri |kwətə́ː r n (ə )ri /名詞 複 -ries C 形容詞 1 4個1組 (の ); 4 (の ).2 〘化 〙4元素 (からなる ).3 〖the Q- 〗〘地 〙第四紀 (の ).