octad

octad
octadic, adj.
/ok"tad/, n.
1. a group or series of eight.
2. Chem. an element, atom, or group having a valence of eight.
[1835-45; < Gk oktad- (s. of oktás) group of eight, equiv. to okt- OCT- + -ad -AD1]

* * *


Universalium. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Octad — Oc tad, n. [Gr. ?, ?, the number eight.] 1. (Chem.) An atom or radical which has a valence of eight, or is octavalent. [1913 Webster] 2. A group of eight things. [PJC] …   The Collaborative International Dictionary of English

  • octad — octad. См. октада. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • octad — [äk′tad΄] n. [Gr oktas (gen. oktados) < oktō,EIGHT] 1. a series or group of eight 2. Chem. an element, atom, or radical with a valence of eight …   English World dictionary

  • octad — aštuonbitis baitas statusas T sritis automatika atitikmenys: angl. eight bit byte; octad; octet vok. Achtbitzeichen, n; Oktetbyte, n rus. восьмибитовый байт, m; восьмиразрядный байт, m pranc. octet, m …   Automatikos terminų žodynas

  • octad — n. a group of eight. Etymology: LL octas octad f. Gk oktas ados f. okto eight …   Useful english dictionary

  • octad — noun a group of eight things …   Wiktionary

  • octad — 1. SYN: octavalent. 2. An octavalent element or radical. [L. octo, eight] …   Medical dictionary

  • octad — É‘ktæd / É’k n. group of eight …   English contemporary dictionary

  • octad — [ ɒktad] noun a group or set of eight. Origin C19: via late L. from Gk oktas, oktad , from oktō eight …   English new terms dictionary

  • octad — oc·tad …   English syllables

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”