Achromycin
— Noun
– English
~ an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
achy
— Adjective
– English
~ causing a dull and steady pain; "my aching head"; "her old achy joints"
achylia
— Noun
– English
~ absence of gastric juices (partial or complete)
acicula
— Noun
– English
~ a needlelike part or structure of a plant or animal or crystal; as a spine or bristle or crystal
acicular
— Adjective
– English
~ narrow and long and pointed; as pine leaves
aciculate
— Adjective
– English
~ related to plants or animals or crystals having aciculae or needlelike parts
acid
— Adjective
– English
~ harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"