Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English
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-logist Also -loger.

A person skilled in, or involved in, a branch of study.

[Formed from nouns in -logy by replacing the last letter with -ist.]

Many examples exist, of which a few are archaeologist, biologist, entomologist, futurologist, geologist, meteorologist, ornithologist, pathologist, psychologist, technologist, and zoologist. The form is actively used to make new words as required.

At one time, the form -loger with the same sense was common (see -er1), but most examples have been replaced by others in -logist. A rare surviving example is astrologer.

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