Origin

from Latin irid-, iris

irido-

Word Origin

a combining form of Latin origin used, with the meanings “rainbow,” “iridescent,” “iris (of the eye),” “Iris (the genus),” and “iridium,” in the formation of compound words:

iridopupillary; iridosmine; iridotomy.

Also, especially before a vowel, irid-.

Origin

combining form representing New Latin, Latin, Greek īrid- (stem of îris) rainbow, iris, etc.; see iris

Related Words

irid-
iridocapsulitis
iridochoroiditis
iridology
iridopupillary
iridotomy

irido-
combining form
⇨ see irid-

irido-|ˈaɪərɪdəʊ, ˈɪrɪdəʊ|also before a vowel irid-,a. Gr. *ἰριδο-, comb. form of ἶρις iris, employed in the formation of many pathological and surgical terms, chiefly denoting diseases of the iris and operations upon it; those in more common use are the following:iridencleisis |-ˈklaɪsɪs| [Gr. ἐγκλείειν to shut up], the trapping of a portion of the iris in an incision of the cornea. iridochoroiditis |-kɔərɔɪˈdaɪtɪs| [choroiditis], inflammation of the iris and the choroid coat of the eye. iridocyclitis |-sɪˈklaɪtɪs| [cyclitis], inflammation of the iris and the ciliary body. ˌiridodiˈalysis [dialysis], the artificial separation of the iris from the ciliary ring. iridodonesis |-dəʊˈniːsɪs| [Gr. δονέειν to shake], tremulousness of the iris. iridomotor |-ˈməʊtə(r)| [motor], pertaining to movements of the iris. iridoˈplegia [-plegia], paralysis of the iris. ˈiridoscope |aɪˈrɪdəʊskəʊp| [-scope], an instrument for examining the iris. See also iridodesis, iridotomy.1855R. G. Mayne Expos. Lex. Med. Sci. (1860) 540/2 *Iridencleisis, old term for strangulation of a prolapsed portion of the iris, between the lips of an incision in the cornea.1879Arch. Ophthalm. VIII. 497 (heading) A case of severe iritis and glaucoma, following iridencleisis.1964D. M. Gordon Med. Managem. Ocular Dis. xviii. 335 Chandler prefers peripheral iridectomy in acute cases in which the pressure is rapidly brought under control. If the pressure has been elevated for 36 or more hours.., he prefers an iridencleisis.1874Lawson Dis. Eye 62 In the majority of cases it [ciliary staphyloma] is dependent on a chronic *irido⁓choroiditis.Ibid. 77 Primary iritis may..implicate secondarily the neighbouring structures; thus we have *irido⁓cyclitis, and irido-choroiditis.1900J. Hutchinson Archives Surg. XI. 17 A most threatening form of relapsing irido⁓cyclitis.[1822–34Good's Study Med. (ed. 4) II. 216 It is the more singular however that iritis should have ever been used by its inventor as the Germans have long employed the more correct relative compounds of iridotomia, iridectomia and *iridodialysis.]1878T. Bryant Pract. Surg. I. 364 Tearing away the iris from its insertion (Iridodialysis).1879P. Smith Glaucoma 109 The zonula became loose and the lens hung slack, causing a visible *irido-donesis.1876Ferrier Functions of Brain 72 Co-ordination of retinal impressions with *irido-motor action in the corpora quadrigemina.[1854W. Mackenzie Pract. Treat. Dis. Eye (ed. 4) xxii. 882 (heading) Myosis... *Iridoplegia pupillam contrahens.]1878Brain I. 8 Iridoplegia is a term applicable wherever both circular and radiating fibres of the iris are paralysed, and the pupil fails wholly to respond to the stimulus of light.1970E. Zagora Eye Injuries i. 12/1 Occasionally traumatic iridoplegia and cycloplegia occur as a result of concussion of the eye.1866Intell. Observ. No. 52. 315 A new optical instrument..the *iridoscope.

irido- /ˈʌɪrɪdəʊ, ˈɪr-/ combining form of Greek irid-, iris: see -o-. Before a vowel also irid-. Chiefly Medicine, in the sense ‘of the iris of the eye’; occas. in other senses of iris.

DERIVATIVE iridocyˈclitis noun inflammation of the iris and the ciliary body L19.
iridocyte noun (Zoology) a refractive cell which causes iridescence in the skin of certain fishes, cephalopods, etc. L19.
iridodiˈalysis noun (surgical or traumatic) separation of the iris from the ciliary ring L19.
iriˈdodesis noun [Greek desis binding] a surgical operation in which the iris is secured in a certain position by a ligature M19.
iridodonesis /-dəʊˈni:sɪs/ noun [Greek doneein shake] tremulousness of the iris L19.
iridoˈplegia noun paralysis of the iris L19.
iriˈdotomy noun (an instance of) surgical incision of the iris M19.

irido-
— see irid-

irido-

Prefix

Alternative form of irid-

词汇	irido-
词根词缀	AHD Collins Dictionary.com MWCD OED SOED Webster Wiktionary irido- 或 irid- pref.（前缀） Rainbow: 彩虹： iridescent. 彩虹般的 Iris of the eye: 虹膜： iridectomy. 虹膜切除术 Iridium: 铱： iridosmine. 铱锇矿语源 Latin īris īrid- [rainbow] 拉丁语 īris īrid- [彩虹] from Greek iris * see wei- 源自希腊语 iris 参见 wei- irido- or (before a vowel) irid- combining form denoting the iris of the eye or the genus of plants ⇒ iridaceous denoting a rainbow ⇒ iridescent Origin from Latin irid-,* iris irido- Word Origin 1 a combining form of Latin origin used, with the meanings “rainbow,” “iridescent,” “iris (of the eye),” “Iris (the genus),” and “iridium,” in the formation of compound words: iridopupillary; iridosmine; iridotomy. Also, especially before a vowel, irid-. Origin combining form representing New Latin, Latin, Greek īrid- (stem of îris) rainbow, iris, etc.; see iris Related Words irid- iridocapsulitis iridochoroiditis iridology iridopupillary iridotomy irido- combining form ⇨ see irid- irido-\|ˈaɪərɪdəʊ, ˈɪrɪdəʊ\|also before a vowel irid-,a. Gr. ἰριδο-, comb. form of ἶρις iris, employed in the formation of many pathological and surgical terms, chiefly denoting diseases of the iris and operations upon it; those in more common use are the following:iridencleisis* \|-ˈklaɪsɪs\| [Gr. ἐγκλείειν to shut up], the trapping of a portion of the iris in an incision of the cornea. iridochoroiditis \|-kɔərɔɪˈdaɪtɪs\| [choroiditis], inflammation of the iris and the choroid coat of the eye. iridocyclitis \|-sɪˈklaɪtɪs\| [cyclitis], inflammation of the iris and the ciliary body. ˌiridodiˈalysis [dialysis], the artificial separation of the iris from the ciliary ring. iridodonesis \|-dəʊˈniːsɪs\| [Gr. δονέειν to shake], tremulousness of the iris. iridomotor \|-ˈməʊtə(r)\| [motor], pertaining to movements of the iris. iridoˈplegia [-plegia], paralysis of the iris. ˈiridoscope \|aɪˈrɪdəʊskəʊp\| [-scope], an instrument for examining the iris. See also iridodesis, iridotomy.1855R. G. Mayne Expos. Lex. Med. Sci. (1860) 540/2 *Iridencleisis, old term for strangulation of a prolapsed portion of the iris, between the lips of an incision in the cornea.1879Arch. Ophthalm. VIII. 497 (heading) A case of severe iritis and glaucoma, following iridencleisis.1964D. M. Gordon Med. Managem. Ocular Dis. xviii. 335 Chandler prefers peripheral iridectomy in acute cases in which the pressure is rapidly brought under control. If the pressure has been elevated for 36 or more hours.., he prefers an iridencleisis.1874Lawson Dis. Eye 62 In the majority of cases it [ciliary staphyloma] is dependent on a chronic irido⁓choroiditis.Ibid. 77 Primary iritis may..implicate secondarily the neighbouring structures; thus we have irido⁓cyclitis, and irido-choroiditis.1900J. Hutchinson Archives Surg. XI. 17 A most threatening form of relapsing irido⁓cyclitis.[1822–34Good's Study Med. (ed. 4) II. 216 It is the more singular however that iritis should have ever been used by its inventor as the Germans have long employed the more correct relative compounds of iridotomia, iridectomia and iridodialysis.]1878T. Bryant Pract. Surg.* I. 364 Tearing away the iris from its insertion (Iridodialysis).1879P. Smith Glaucoma 109 The zonula became loose and the lens hung slack, causing a visible irido-donesis.1876Ferrier Functions of Brain* 72 Co-ordination of retinal impressions with irido-motor action in the corpora quadrigemina.[1854W. Mackenzie Pract. Treat. Dis. Eye* (ed. 4) xxii. 882 (heading) Myosis... Iridoplegia pupillam contrahens.]1878Brain I. 8 Iridoplegia is a term applicable wherever both circular and radiating fibres of the iris are paralysed, and the pupil fails wholly to respond to the stimulus of light.1970E. Zagora Eye Injuries* i. 12/1 Occasionally traumatic iridoplegia and cycloplegia occur as a result of concussion of the eye.1866Intell. Observ. No. 52. 315 A new optical instrument..the iridoscope. irido- /ˈʌɪrɪdəʊ, ˈɪr-/ combining form of Greek irid-, iris: see -o-. Before a vowel also irid-. Chiefly Medicine, in the sense ‘of the iris of the eye’; occas. in other senses of iris. DERIVATIVE iridocyˈclitis noun inflammation of the iris and the ciliary body L19. iridocyte noun (Zoology) a refractive cell which causes iridescence in the skin of certain fishes, cephalopods, etc. L19. iridodiˈalysis noun (surgical or traumatic) separation of the iris from the ciliary ring L19. iriˈdodesis noun [Greek desis binding] a surgical operation in which the iris is secured in a certain position by a ligature M19. iridodonesis /-dəʊˈni:sɪs/ noun [Greek doneein shake] tremulousness of the iris L19. iridoˈplegia noun paralysis of the iris L19. iriˈdotomy noun (an instance of) surgical incision of the iris M19. irido-* — see irid- irido- Prefix Alternative form of irid-
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