13 letters · 17 points in Scrabble
noun a substance needed only in small amounts for normal body function (e.g., vitamins or minerals)
originEtymology tree Proto-Indo-European *mey-der.? Ancient Greek μικρός (mikrós)der. English micro- English nutrient English micronutrient From micro- + nutrient.
Etymology from Wiktionary, CC BY-SA 3.0