Hexaethyl-tetraphosphate
[hek-suh-eth-uh l] /ˌhɛk səˈɛθ əl/
noun
1.
a yellow, very poisonous liquid, (C 2 H 5 O) 6 P 4 O 7 , soluble in water, used as an insecticide.
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[hek-suh-floo r-ahyd, -flawr-, -flohr-] /ˌhɛk səˈflʊər aɪd, -ˈflɔr-, -ˈfloʊr-/ noun 1. a containing six atoms of fluorine.
- Hexagesimal
hexagesimal (hěk’sə-jěs’ə-məl) Of, relating to, or based on the number 60. The division of an hour into 60 minutes and of a minute into 60 seconds is due to the hexagesimal numeration used by the Babylonians.
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[hek-suh-gon, -guh n] /ˈhɛk səˌgɒn, -gən/ noun 1. a polygon having six angles and six sides. /ˈhɛksəɡən/ noun 1. a polygon having six sides n. 1560s, from Latin hexagonum, from Greek hexagonon, from hex “six” (see hexa-) + gonia “angle” (see knee (n.)). hexagon (hěk’sə-gŏn’) A polygon having six sides. A polygon having six sides.
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[hek-sag-uh-nl] /hɛkˈsæg ə nl/ adjective 1. of, relating to, or having the form of a . 2. having a as a base or cross section: a hexagonal prism. 3. divided into , as a surface. 4. Crystallography. noting or pertaining to a system of crystallization in which three equal axes intersect at angles of 60° […]
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[hek-suh-gram] /ˈhɛk səˌgræm/ noun 1. a six-pointed starlike figure formed of two equilateral triangles placed concentrically with each side of a triangle parallel to a side of the other and on opposite sides of the center. 2. Geometry. a figure of six lines. /ˈhɛksəˌɡræm/ noun 1. a star-shaped figure formed by extending the sides of […]