词根词缀：-aceous, -acea, -aceae, -aceaen, -aceus

【来源及含义】Latin: a suffix; having the quality of, of the nature of, characterized by, belonging to, resembling

【相关描述】There are hunderds of words that utilize the -aceous suffix which are not shown here; however, the following will present important examples.

A suffix that forms adjectives and is used with technical combinations, especially in biological terms: "pertaining or belonging to, of the nature of, or characterized by; to be full of, to possess abundantly". The suffix -acea usually denotes "orders and classes in zoology" while the suffix -aceae usually denotes "orders and families in botany" and -aceaen is used to denote members of "orders of the animal kingdom".

【同源单词】acanthaceous, -aceous, alliaceous, ampullaceous, amygdalaceous, amylaceous

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