-logical

From -logy + -ical.

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-logical

1. Used to form adjectival forms of nouns ending in -logy.

• Relatively few terms are directly derived using this suffix. Terms ending in logical are often derived from words formed in other languages or by suffixing -ical to a word ending in logy, as biological = biology + -ical and genealogical = genealogy + -ical.

• See -logy#Derived terms