Hepta-
1.
a combining form meaning “seven,” used in the formation of compound words:
heptahedron.
combining form
1.
seven: heptameter
before vowels hept-, word-forming element meaning “seven,” from Greek hepta “seven” (see seven).
hepta- or hept-
pref.
Read Also:
- Heptachord
[hep-tuh-kawrd] /ˈhɛp təˌkɔrd/ noun 1. a musical scale of seven notes. 2. an interval of a seventh. 3. an ancient Greek stringed instrument.
- Heptad
[hep-tad] /ˈhɛp tæd/ noun 1. the number seven. 2. a group of seven. 3. Chemistry. an element, atom, or group having a valence of seven. /ˈhɛptæd/ noun 1. a group or series of seven 2. the number or sum of seven 3. an atom or element with a valency of seven
- Heptadecanoic acid
/ˌhɛptəˌdɛkəˈnəʊɪk/ noun 1. a colourless crystalline water-insoluble carboxylic acid used in organic synthesis. Formula: CH3(CH2)15COOH Also called margaric acid
- Heptagon
[hep-tuh-gon, -guh n] /ˈhɛp təˌgɒn, -gən/ noun 1. a polygon having seven angles and seven sides. /ˈhɛptəɡən/ noun 1. a polygon having seven sides n. 1560s, from Middle French heptagon, from Greek heptagonon, from hepta “seven” (cognate with Latin septem, Gothic sibun, Old English seofon; see seven) + gonia “angle” (see knee (n.)). Related: Heptagonal. […]
- Heptagonal
[hep-tag-uh-nl] /hɛpˈtæg ə nl/ adjective 1. having seven sides or angles.