| ARGILLITIC | • argillitic adj. (Geology) Relating to, or containing, argillite. • ARGILLITIC adj. like argillite, an indurated argillaceous rock. |
| FIBRILLINS | • fibrillins n. Plural of fibrillin. • FIBRILLIN n. a protein found in connective tissue. |
| FRINGILLID | • fringillid n. (Zoology) Any of the Fringillidae; a finch. • FRINGILLID adj. related to the finches. |
| INITIALLER | • initialler n. Alternative form of initialer. • INITIALLER n. one who initials, also INITIALER. |
| MICROVILLI | • microvilli n. Plural of microvillus. • MICROVILLUS n. a microscopic projection from the surface of a cell wall. |
| MILITARILY | • militarily adv. In a military or martial manner; not peaceably. • militarily adv. By way of military or otherwise belligerent means. • MILITARY adv. relating to armed forces. |
| MILLEFIORI | • millefiori n. A decorative glassware technique using a mosaic of coloured beads. • MILLEFIORI n. (Italian) an ornamental glassmaking technique. |
| MILLIARIES | • milliaries n. Plural of milliary. • MILLIARY n. an ancient Roman milestone. |
| MILLICURIE | • millicurie n. The unit of radioactivity equal to one thousandth of a curie: symbol mCi. • MILLICURIE n. a thousandth of a curie. |
| MILLILITER | • milliliter n. (American spelling) Alternative form of millilitre. • MILLILITER n. a thousandth of a litre, also MILLILITRE. |
| MILLILITRE | • millilitre n. (British spelling) A unit of measure of capacity, being one thousandth of a litre. Symbol: ml. • MILLILITRE n. a thousandth part of a litre, also MILLILITER. |
| SIGILLARID | • sigillarid n. (Paleontology) One of an extinct family of cryptogamous trees, including the genus Sigillaria and its allies. • SIGILLARID n. one of an extinct family of cryptogamous trees, including the genus Sigillaria and its allies. |