[hek-suh-kawrd] /ˈhɛk səˌkɔrd/
a diatonic series of six tones having, in medieval music, a half step between the third and fourth tones and whole steps between the others.
(in medieval musical theory) any of three diatonic scales based upon C, F, and G, each consisting of six notes, from which solmization was developed
[hek-sad] /ˈhɛk sæd/ noun 1. the number six. 2. a group or series of six. /ˈhɛksæd/ noun 1. a group or series of six 2. the number or sum of six hexad hex·ad (hěk’sād’) n.
hexadactyly hex·a·dac·ty·ly (hěk’sə-dāk’tə-lē) or hex·a·dac·tyl·ism (-lĭz’əm) n. The presence of six digits on one or both hands or feet.
/ˈhɛksədɛˌkeɪn; ˌhɛksəˈdɛkeɪn/ noun 1. the systematic name for cetane
[hek-suh-em-uh-ron] /ˌhɛk səˈɛm əˌrɒn/ noun 1. the six days of the Creation. 2. a written account of them, especially the Biblical account. Gen. 1. 3. a treatise on them. /ˌhɛksəˈɛmərɒn/ noun 1.