English-Thai Dictionary

pentad

N ระยะเวลา  5 ปี 

 

Webster's 1828 Dictionary

PENTADACTYL

n.[Gr. five, and finger. ] 1. In botany, a plant called five fingers; a name given to the Ricinus or Palma Christi, from the shape of its leaf.
2. In ichthyology, the five fingered fish; a name given to a fish common in the East Indian seas, which has five black streaks on each side resembling the prints of five fingers.

 

Webster's 1913 Dictionary

PENTAD

Pen "tad, n. Etym: [Gr. (Chem. )

 

Defn: Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds.

 

PENTAD

PENTAD Pen "tad, a. (Chem. )

 

Defn: Having the valence of a pentad.

 

PENTADACTYL; PENTADACTYLE

Pen `ta *dac "tyl, Pen `ta *dac "tyle, a. Etym: [Gr. Penta-, and Dactyl. ]

 

1. (Anat. )

 

Defn: Having five digits to the hand or foot.

 

2. Having five appendages resembling fingers or toes.

 

PENTADACTYLOID

Pen `ta *dac "tyl *oid, a. Etym: [Pentadactyl + -oid.] (Anat. )

 

Defn: Having the form of, or a structure modified from, a pentadactyl limb.

 

PENTADECANE

Pen `ta *dec "ane, n. Etym: [Penta- + Gr. (Chem. )

 

Defn: A hydrocarbon of the paraffin series, (C15H32 ) found in petroleum, tar oil, etc. , and obtained as a colorless liquid; -- so called from the fifteen carbon atoms in the molecule.

 

PENTADECATOIC

Pen `ta *dec `a *to "ic, a. Etym: [Penta- + decatoic. ] (Chem. )

 

Defn: Of, pertaining to, or derived from, pentadecane, or designating an acid related to it.

 

PENTADECYLIC

Pen `ta *decyl "ic, a. Etym: [Penta- + decylic. ] (Chem. )

 

Defn: Same as Quindecylic.

 

PENTADELPHOUS

Pen `ta *del "phous, a. Etym: [Penta- + Gr. (Bot. )

 

Defn: Having the stamens arranged in five clusters, those of each cluster having their filaments more or less united, as the flowers of the linden.

 

New American Oxford Dictionary

pentad

pen tad |ˈpenˌtad ˈpɛnˌtæd | ▶noun technical a group or set of five. ORIGIN mid 17th cent.: from Greek pentas, pentad-, from pente ‘five. ’

 

pentadactyl

pen ta dac tyl |ˌpentəˈdaktl ˌpɛntəˈdæktl | ▶adjective Zoology (of a vertebrate limb ) having five toes or fingers, or derived from such a form, as characteristic of all tetrapods. DERIVATIVES pen ta dac tyl y noun ORIGIN early 19th cent.: from penta- ‘five ’ + Greek daktulos ‘finger. ’

 

Oxford Dictionary

pentad

pentad |ˈpɛntad | ▶noun technical a group or set of five. ORIGIN mid 17th cent.: from Greek pentas, pentad-, from pente ‘five ’.

 

pentadactyl

pentadactyl |ˌpɛntəˈdaktɪl | ▶adjective Zoology (of a vertebrate limb ) having five toes or fingers, or derived from such a form, as characteristic of all tetrapods. DERIVATIVES pentadactyly |-ˈdaktɪli |noun ORIGIN early 19th cent.: from penta- ‘five ’ + Greek daktulos ‘finger ’.

 

Duden Dictionary

Pentade

Pen ta de Substantiv, feminin Meteorologie , die |Pent a de |Zeitraum von fünf aufeinanderfolgenden Tagen

 

Pentadik

Pen ta dik Substantiv, feminin Mathematik , die |Pent a dik |die Pentadik; Genitiv: der Pentadik griechisch-neulateinisch Zahlensystem mit der Grundzahl 5

 

Spanish Dictionary

pentadáctilo, -la

pentadáctilo, -la adjetivo /nombre masculino y femenino biol Que tiene cinco dedos o cinco divisiones en forma de dedos :los primates son animales pentadáctilos .

 

pentadecágono

pentadecágono nombre masculino Figura geométrica de quince lados .

 

pentadecasílabo, -ba

pentadecasílabo, -ba adjetivo /nombre masculino [verso ] Que tiene quince sílabas .