groundwater pollution, groundwater contamination

(organic chemistry, dated, deprecated by IUPAC) geometric isomer: a molecule that exhibits geometric isomerism

Compounds

(anatomy) a pyramidalis muscle

two sides of the same coin

(physics, astronomy) black-body radiation

(typography) a typestyle that mimics the look of 隷書 (reisho, “clerical script”) being stamped (thus, with broken and irregular strokes) rather than handwritten; this "ancient seal" look arose in Nara-period Japan, and has no relation to the original Chinese 篆書 (tensho, “seal script”)

(idiomatic) find something so tasty that one's cheeks fall

Alternative spelling of 平行四辺形 (“parallelogram”)

to overflow