trypophobia

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

(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”)

the United Arab Emirates

(history) the Federal Republic of Germany (official name of former West Germany) / the Federal Republic of Germany (official name of current Germany)

(historical) Federal Republic of Yugoslavia

Commonwealth of Puerto Rico (the official name of Puerto Rico, a commonwealth, island and dependent territory of the United States)