[awr-thoh-uh-pee, awr-thoh-ep-ee] /ɔrˈθoʊ ə pi, ˈɔr θoʊˌɛp i/
the study of correct pronunciation.
customary pronunciation (opposed to ).
the study of correct or standard pronunciation
[awr-thuh-fawr-meyt] /ˌɔr θəˈfɔr meɪt/ noun, Chemistry. 1. an ester of orthoformic acid.
[awr-thuh-fawr-mik, awr-thuh-] /ˈɔr θəˈfɔr mɪk, ˌɔr θə-/ noun, Chemistry. 1. a hypothetical acid, HC(OH) 3 , known only in the form of its esters.
[awr-thuh-jen-uh-sis] /ˌɔr θəˈdʒɛn ə sɪs/ noun 1. Biology. 2. Sociology. a hypothetical parallelism between the stages through which every culture necessarily passes, in spite of secondary conditioning factors. /ˌɔːθəʊˈdʒɛnɪsɪs/ noun 1. (biology) 2. the theory that there is a series of stages through which all cultures pass in the same order
[awr-thoh-juh-net-ik] /ˌɔr θoʊ dʒəˈnɛt ɪk/ adjective 1. pertaining to or exhibiting orthogenesis.