See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
IRREGULAR(law)
irregular(dictionary)
Irregular(medicine)
HEIR, IRREGULAR(law)
irregular pulse(medicine)
irregular nystagmus(medicine)
irregular emphysema(medicine)
irregular dentin(medicine)
Irregular periods(health)

buccal pit (medicine) and irregular (iou)


buccal pit (medicine)


buccal pit


A structural depression found on the buccal enamel of molars.


irregular (iou)



irregular adjective & noun. LME.
[Old French irreguler (later and mod. irregulier) from late and (esp.) medieval Latin irregularis: see IR-2, REGULAR.]
A. adjective.
I. gen.
Not conforming to rule, law, or moral principle; lawless, disorderly. LME.
Of a thing: not in conformity with rule, principle, accepted convention, customary procedure, etc.; not in accordance with what is usual, normal, or prescribed; anomalous, abnormal. L15.
Ld Macaulay The Declaration of Right, an instrument which was indeed revolutionary and irregular. E. Bowen His frequent presence about a house where young girls were could have been thought irregular. V. Glendinning There had been complaints..about her irregular private life.
Not of regular or symmetrical form or arrangement; (of a surface) uneven. L16.
E. Waugh They could see the irregular roofs of the palace buildings. A. Ghosh His only irregular features are his eyebrows, which are slightly out of alignment.
Not uniform in continuance, occurrence, or succession; occurring at unequal rates or intervals. Also, of an agent: doing something at irregular intervals. E17.
E. Templeton Taking a deep breath to steady the irregular beating of her heart. C. Chaplin His theatrical engagements became irregular.
II. spec.
Ecclesiastical (chiefly Roman Catholic Church). Not in conformity with the rule of the Church or of some ecclesiastical order; disqualified for ordination or Exercise of clerical functions. LME.
Grammar. Of a part of speech, esp. a verb: not following the usual or normal mode of inflection or conjugation. Of an inflection: formed in this way. L16.
Botany. Of a flower: having the parts of one of its whorls (esp. the petals) differing in form, size, etc.; esp. = ZYGOMORPHIC. L18.
Astronomy.
a. Of a galaxy: having an irregular shape, lacking any apparent axis of symmetry or central nucleus. E19.
b. Of a variable star: fluctuating in brightness with no regular cycle. E20.
Military. Of forces, troops: not belonging to the regular or established army organization; not forming an organized military body. M19.
E. A. Freeman The Danes..put the irregular English levies to flight.
b. noun.
A person not belonging to the regular body or doing something irregularly; an irregular or occasional practitioner, attendant, member of the clergy, etc. LME.
b. Military. A soldier not of the regular army. Usu. in pl., irregular troops. M18.
M. Moorcock They had no identifiable uniforms at all. I guessed they were irregulars.
An imperfect piece of merchandise, esp. cloth, sold at a reduced price. Usu. in pl. N. Amer. M20.
irregularly adverb L16.