chemical symbol
noun
A letter or other graphic mark used as an abbreviation in chemistry; specifically a letter or two (rarely three) letters denoting a chemical element (as N for nitrogen, Fe for iron) or an organic group (as R for an alkyl group, Me for methyl), in chemical formulae or in other contexts.
Origin
Late 18th century.
- alloantibody
- alloantigen
- alloantiserum
- allobarbital
- Winona
- win on points
- win (or earn) one's spurs
- win or lose
- winsome
- winsomely
- winsomeness
- Winston-Salem
- winter
- winter aconite
- winterberry
- winterbourne
- winter cherry
- winter count
- winter creeper
- winter cress
- winterer
- winter flounder
- winter garden
- wintergreen
- Winterhalter, Franz Xavier