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messenger RNA a single-stranded molecule of ribonucleic acid that carries a code from the DNA, where it is synthesized, to the cytoplasm, where it specifies the sequence of amino acids required for protein synthesis.
mess hall a room or building in which a group of people, such as soldiers, regularly eat their meals.
Messiah according to Old Testament prophecies, the anticipated deliverer of the Jews. [3 definitions]
messieurs pl. of monsieur.
mess jacket a man's close-fitting, waist-length jacket, worn as part of a uniform.
mess kit a set of cooking and eating utensils arranged in a compact kit, used by campers and soldiers in the field.
messmate a person with whom one eats meals regularly, as in the army.
Messrs. abbreviation of "messieurs," plural of "monsieur;" a plural of "Mr."
mess up (informal) to make something messy. [2 definitions]
messy dirty, untidy, or disorderly. [2 definitions]
mestiza in Latin America or the Philippines, a woman of mixed European and native ancestry.
mestizo in Latin America or the Philippines, a man of mixed European and native ancestry.
met past tense and past participle of meet1.
meta- change. [3 definitions]
metabolism the physical and chemical processes by which food is converted by a living organism to provide energy and produce and maintain cells and tissues.
metabolite in physiology, any substance that is an intermediate or product of a chemical process occurring in the body.
metabolize to subject to or undergo change by metabolism.
metacarpal of or relating to the metacarpus. [2 definitions]
metacarpus the part of the hand, or bones of the hand, between the wrist and fingers, or a similar part in the front foot of a four-legged animal.
metadata data that provides information about other data.
metafiction fiction writing in which the author and the techniques used by the author are consciously emphasized while concern for verisimilitude is minimized. [2 definitions]