“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States
ANTIPARALLEL
antiparallel
(adjective) (especially of vectors) parallel but oppositely directed; “antiparallel vectors”
Source: WordNet® 3.1
Etymology
Adjective
antiparallel (not comparable)
(mathematics) of vectors, parallel but of opposite direction
(biochemistry) describing the orientations of the two strands of DNA
(biochemistry) describing two beta strands comprising a protein's secondary structure that are aligned and hydrogen bonded but the vector describing the amino- and carboxy-terminal ends of each strand are oriented 180° relative to one another.
Noun
antiparallel (plural antiparallels)
(geometry) A line that forms equal angles with two other lines, but in opposite directions.
Source: Wiktionary
An`ti*par"al*lel, a.
Definition: Running in a contrary direction. Hammond.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
4 June 2025
LEND
(verb) bestow a quality on; “Her presence lends a certain cachet to the company”; “The music added a lot to the play”; “She brings a special atmosphere to our meetings”; “This adds a light note to the program”
Coffee Trivia
