词根词缀：intra-

【来源及含义】Latin: within, inside, on the inside

【相关描述】Borrowed from late Latin intra-; closely related to inter-, "between". The use of intra- is largely a product of modern times, occurring in words of common and technical vocabulary, where once it was generally a term used in science and the academic world.

While some words are borrowings from Medieval and even Late Latin, few if any come from Classical Latin.

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "internal organs, entrails, inside": ent-; enter-; fistul-; incret-; inter-; splanchn-; viscer-.

【同源单词】Ab intra, abdominohysterotomy, Discere si cupias intra, endopelvic, international, intra muros

词根词缀：intro-

【来源及含义】Latin: within, inside, into, in, inward

【相关描述】Borrowed from Latin intro-, from pre-Latin interos, from inter-,"between".

【同源单词】introduce, introduced, introducer, introduction, introductive, introductory

词根词缀：io-

【来源及含义】Greek: 1. Io, daughter of the river god, Inachus. 2. An arrow; poison, rust

【同源单词】Io, iophobia

词根词缀：iod-, iodo-

【来源及含义】Modern Latin: 1. iodine. 2. the color violet

【同源单词】iodide, iodinate, iodination, iodine, iodine deficiency, iodine excess

词根词缀：ion, ion-

【来源及含义】Greek: ion, "going"; neuter present participle of ienai, "to go"; because an ion moves toward the electrode of an opposite charge

【相关词根词缀】 A cross reference of word units that are related, directly and/or indirectly, with "electricity": electro-; galvano-; hodo-; piezo-; -tron; volt; biomechatronics, info; mechatronics, info.

【同源单词】aeroionization, atmospheric ionization, avalanche ionization, carbonium ion, dipolar ion, heavy ion

词根词缀：-ior

【来源及含义】Latin: a suffix; pertaining to

【同源单词】anterior, excelsior, inferior, posterior, superior

词根词缀：ipse, ipsi-, ipso-

【来源及含义】Latin: self

【同源单词】ipsative, ipse dixit, ipsefact, ipsilateral, ipsilaterally, ipsissima verba

词根词缀：ira-, iras-, ire-

【来源及含义】Latin: anger, wrath, rage; enraged, furious

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "anger, angry; rage, wrath, fury; rave": fur-, furi-; lysso-; mania-; rab-, rav-.

【同源单词】Ab irato, irascibility, irascible, irascibleness, irascibly, irate

词根词缀：irido-, irid-, iri-, iris-

【来源及含义】Greek: iris [relating to the eye]; the rainbow; colored circle, colored portion of the eye [originally, "something bent or curved"]

【相关词根词缀】 Related references to "eye" or "eye part" word families: blepharo-; core-; corneo-; eye, eyes; lenti-, lens-; lenticulo-; ocelli-; oculo-; op-, -optic; ophthalmo-; phaco-; pupillo-; retino-; uveo-.

【同源单词】iridaceous, iridadenosis, iridalgia, iridauxesis, iridectasis, iridectome

词根词缀：iron-, ironi-

【来源及含义】Greek > Latin > Old French > French: pretended ignorance; saying the opposite of what a person really means

【相关描述】From Greek eironeia to Latin ironia to Old French to French ironie which signified "deliberately pretending ignorance, particularly as a rhetorical device to get the better of one's opponent in an argument".

【同源单词】bitter irony, dramatic irony, iron, ironic, ironical, ironically