-logy

(redirected from -logical)
Also found in: Medical.

-logy

or -ology
suff.
1. Discourse; expression: phraseology.
2. Science; theory; study: dermatology; sexology.

[Middle English -logie, from Old French, from Latin -logia, from Greek -logiā (from logos, word, speech; see leg- in Indo-European roots) and from -logos, one who deals with (from legein, to speak; see leg- in Indo-European roots).]

-logy

n combining form
1. indicating the science or study of: musicology.
2. indicating writing, discourse, or body of writings: trilogy; phraseology; martyrology.
[from Latin -logia, from Greek, from logos word; see logos]
-logical, -logic adj combining form
-logist n combining form

lo•gy

(ˈloʊ gi)

adj. -gi•er, -gi•est.
lacking physical or mental energy or vitality; sluggish; dull; lethargic.
[1840–50, Amer.; perhaps < Dutch log heavy, cumbersome + -y1]
lo′gi•ly, adv.
lo′gi•ness, n.

-logy

a combining form meaning “field of scientific study, discipline,” used also to denote the body of principles, theories, data, etc., produced by learned endeavor ( archaeology; pathology; theology); “set of abstract notions” ( ideology; methodology); “set of texts” ( trilogy); “systematic listing” ( genealogy; necrology); “linguistic usage” (tautology; phraseology).
[Middle English -logie < Latin -logia < Greek. See -logue, -y3]