noun

Etymology: ME < OE mal, akin to Goth mail < IE base *mai-, to spot > Gr miainein, to sully

noun

1. any of various small, burrowing insectivores (esp. family Talpidae) with small eyes and ears, shovel-like forefeet, and soft fur: moles live mainly underground
2. a spy who infiltrates and is assimilated into the ranks of an enemy intelligence agency, government staff, etc., usually long before engaging in any spying activities

Etymology: ME molle, akin to or < MDu mol, < Gmc *mug- > mow, OHG mol: orig. sense, “mound maker”

noun

1. a barrier of stone, etc. built in the water to protect from the force of the waves, as a breakwater
2. a harbor or anchorage so formed or protected

Etymology: Fr môle < LGr mōlos < L moles, a mass, dam, mole < IE *mo-lo- < base *mo-, to strive > Gr mōlos, effort, Ger müde, tired

noun

1. Chem. the quantity of a chemical substance having a weight in grams numerically equal to its molecular weight: one mole of a substance contains 6.022137 × 10 molecules
2. the amount of a substance containing the same number of units, including molecules, atoms, or ions, as there are atoms in 12 grams of pure carbon-12: a basic unit in the SI system: abbrev. mol

Etymology: Ger mol, short for molekulargewicht, molecular weight

noun

1. a marked growth of grapelike masses of fetal placental tissue
2. any of various fleshy or bloody masses in the uterus

Etymology: Fr môle < L mola, false conception, millstone: for IE base see mill

noun

Etymology: MexSp