Desuetude comes from suescere, a word that means to accustom (it also gave us the word custom). Disuse descends from uti, which means to use (that Latin word also gave us use and utility). Of the two, disuse is now the more common.
âº a word or phrase used to avoid saying an unpleasant or offensive word: Senior citizen is a euphemism for old person. The article made so much use of euphemism that often its meaning was unclear. Thesaurus: synonyms and related words.
Euploidy is the state of a cell or organism having the same number of each homologous chromosome, possibly excluding the sex-determining chromosomes. For example, most human cells have 2 of each of the 23 homologous monoploid chromosomes, for a total of 46 chromosomes.