Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
DYAD
couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duad
(noun) two items of the same kind
Source: WordNet® 3.1
Etymology
Noun
dyad (plural dyads)
A set of two elements treated as one; a pair.
Synonyms: couple, duad, Thesaurus:duo
(music) Any set of two different pitch classes.
A pair of things standing in particular relation; dyadic relation.
• "For each individual in a specific dyad (i.e, mother-offspring, offspring-father, sibling-sibling),..." Debra Lieberman, John Tooby, and Leda Cosmides - The evolution of human incest avoidance mechanisms: an evolutionary psychological approach, p. 20
(chemistry) An element, atom, or radical having a valence or combining power of two.
(biology) A secondary unit of organisation consisting of an aggregate of monads.
(mathematics) A tensor of order two and rank one.
Coordinate terms
• monad · duad, dyad · triad · tetrad · pentad · hexad · heptad · octad · ennead, nonad · decad, decade · hendecad · dodecad, duodecade
Anagrams
• Addy, D-Day, Dady, addy
Source: Wiktionary
Dy"ad, n. Etym: [L. dyas, dyadis, the number two. Gr. dyade. See two, and cf. Duad.]
1. Two units treated as one; a couple; a pair.
2. (Chem.)
Definition: An element, atom, or radical having a valence or combining power of two.
Dy"ad, a. (Chem.)
Definition: Having a valence or combining power of two; capable of being substituted for, combined with, or replaced by, two atoms of hydrogen; as, oxygen and calcium are dyad elements. See Valence.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
24 March 2025
STACCATO
(adjective) (music) marked by or composed of disconnected parts or sounds; cut short crisply; “staccato applause”; “a staccato command”; “staccato notes”
Coffee Trivia
