Side Effects and Warnings. Melatonin is likely safe when taken by mouth in commonly studied doses for up to three months, typically 1-20 milligrams. In children, melatonin is likely safe for long-term use in recommended doses.ide Effects and Warnings. Melatonin is likely safe when taken by mouth in commonly studied doses for up to three months, typically 1-20 milligrams. In children, melatonin is likely safe for long-term use in recommended doses.
monoclenoun [ C ] uk â /ËmÉn.É.kÉl/ us â /ËmÉË.nÉ.kÉl/. âº a round piece of glass worn, especially in the past, in front of one eye in order to help you to see more clearly. Thesaurus: synonyms and related words. Eyesight, glasses & lenses. (as) blind as a bat idiom. 20/20 vision.
Monocot. Definition. noun, plural: monocotyledons. A group of flowering plants belonging to the class Liliopsida (or Monocotyledonae) of Angiospermae (angiosperms), characterized by having only one cotyledon in the seed and an endogenous manner of growth. Supplement. Examples of monocotyledonous plants are the palms, grasses, orchids, and lilies. The angiosperms (the flowering plants) can either be a monocotyledon (or monocot) or a dicotyledon (or dicot) according to the number of cotyledons in their seeds.