Millimeter, MM. (mille, a thousand, + meter), the thousandth part of a meter, equal to 0.03937 inch or nearly, 125 inch. It is denoted by mm., as 25.4 mm. is 1 inch.

Min´iate (miniatus, pp. of miniare, color with red lead, < minium, red lead), vermilion-colored; of a bright, vivid red color.

Mi´trate, Mit´riform (mitra, a miter), miter-shaped, bonnet-shaped.

Mold, Mould, fine soft earth; a general term to describe certain fungus growths of a low type.

Monil´iform (monile, necklace; forma, form), contracted at intervals in the length like a string of beads.

Monos´tichous (Gr—single, + —a line), arranged in one row.

Mon´strous, of unnatural formation; deviating greatly from the natural form or structure (has no reference to size).

Morpholog´ic, Morpholog´ical, of or pertaining to morphology.

Morphol´ogy (Gr—form, + —speak), the science of organic form; the science of of outer form and internal structure.

Mother-Cell, a cell from which another is derived.