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A faint, cloudlike, self-luminous mass of matter situated beyond the solar system among the stars. True nebulæ are gaseous; but very distant star clusters often appear like them in the telescope.

An opening at either end of the embryonic neural canal.

sy, kindness, etc. Every man has obligations which belong to his station. Duties extend beyond obligation, and direct the affections, desires, and intentions, as well as the actions. Whewell.

ays (Opt.), those rays which are not luminous or visible, and which in the spectrum are beyond the limits of the visible portion.

cipital point (Anat.), the point of the occiput in the mesial plane farthest from the ophryon.

An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle. Goodale.

tissue; the residue after removal of the mineral matters from bone by dilute acid; in embryonic tissue, the substance in which the mineral salts are deposited to form bone; -- called also ostein. Chemically it is the same as collagen.

ple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.

In its original and strict sense, out means from the interior of something; beyond the limits or boundary of somethings; in a position or relation which is exterior to something; -- opposed to in or into. The something may be expressed after of, from, etc. (see Out of, below); or, if not expressed, it is implied; as, h…

To do or beyond; to exceed in acting. [R.] He has made me heir to treasures Would make me outact a real window's whining. Otway.

Beyond or outside of the lines of a vessel's bulwarks or hull; in a direction from the hull or from the keel; -- opposed to inboard; as, outboard rigging; swing the davits outboard.

To go beyond in performance; to excel; to surpass. An imposture outdoes the original. L' Estrange. I grieve to be outdone by Gay. Swift.

To dwell or stay beyond. [Poetic] "He outdwells his hour." Shak.

body of junior (or utter) barristers; -- so called because in court they occupy a place beyond the space reserved for Queen's counsel.

A field beyond, or separated from, the inclosed land about the homestead; an uninclosed or unexplored tract. Also used figuratively. The great outfield of thought or fact. Trench.

To go beyond, or be superior to, on the flank; to pass around or turn the flank or flanks of.

To surpass in flying; to fly beyond or faster than. Shak. Winged with fear outflies the wind. Waller.

To gaze beyond; to exceed in sharpness or persistence of seeing or of looking; hence, to stare out of countenance.

To go beyond; to exceed in swiftness; to surpass; to outdo.

A part of a rock or stratum lying without, or beyond, the main body, from which it has been separated by denudation.