[f. Gr. θρίξ, τριχ- hair: see -OLOGY.] The study of the structure, functions, and diseases of the hair. Hence Trichological a., pertaining to or engaged in trichology; Trichologist, one who is versed in trichology.
1860. Mayne, Expos. Lex., Trichology, term for the doctrine of the hair.
1887. Standard, 28 Oct., 5/3. The Elements of Trichological Science. Ibid. The Trichologists study the physiology and the diseases of the hair.
1895. J. J. Raven, Hist. Suffolk, 253. Something may be discoverable by craniology, trichology, odontology.
1913. Daily News, 4 Oct., 9. The study of the hair is becoming a science with a national institute of its ownthe National Institute of Trichologists.