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To accede, or come (to); to be added to something or become a part of it, though not essential. [R.] Where no act of the will advenes as a coefficient. Coleridge.

Added extrinsically; not essentially inherent; accidental or causal; additional; supervenient; foreign. To things of great dimensions, if we annex an adventitious idea of terror, they become without comparison greater. Burke.

An eruptive rock allied to trachyte, consisting essentially of a triclinic feldspar, with pyroxene, hornblende, or hypersthene.

Any deviation from the essential characteristics of a specific type.

In any wise or way; at all. "Anywise essential." Burke.

Any literary matter added to a book, but not necessarily essential to its completeness, and thus distinguished from supplement, which is intended to supply deficiencies and correct inaccuracies.

A passing tone preceding an essential tone, and borrowing the time it occupies from that; a short auxiliary or grace note one degree above or below the principal note unless it be of the same harmony; -- generally indicated by a note of smaller size, as in the illustration above. It forms no essential part of the harmo…

A fragrant essential oil; esp., a volatile and highly fragrant essential oil obtained from the petals of roses. [Also written otto and ottar.]

ted; a quality which is considered as belonging to, or inherent in, a person or thing; an essential or necessary property or characteristic. But mercy is above this sceptered away; . . . It is an attribute to God himself. Shak.

At bottom; fundamentally; essentially.

n opposite directions, so as to form a valley. -- Axis cylinder (Anat.), the neuraxis or essential, central substance of a nerve fiber; -- called also axis band, axial fiber, and cylinder axis. -- Axis in peritrochio, the wheel and axle, one of the mechanical powers. -- Axis of a curve (Geom.), a straight line which…

A resin containing more or less of an essential or volatile oil.

Fig.: The fundamental or essential part of a thing; the essential principle; a groundwork.

mily (Citrus bergamia), having a roundish or pear-shaped fruit, from the rind of which an essential oil of delicious odor is extracted, much prized as a perfume. Also, the fruit. (b) A variety of mint (Mentha aquatica, var. glabrata).

A name suggested by Dr. Beale for the germinal matter supposed to be essential to the functions of all living beings; the material through which every form of life manifests itself; unaltered protoplasm.

ion of a piece, without spots; as, the "double blank"; the "six blank." In blank, with an essential portion to be supplied by another; as, to make out a check in blank.

Hence: To destroy the happiness of; to ruin; to mar essentially; to frustrate; as, to blight one's prospects. Seared in heart and lone and blighted. Byron.

The flower of a plant, or the essential organs of reproduction, with their appendages; florescence; bloom; the flowers of a plant, collectively; as, the blossoms and fruit of a tree; an apple tree in blossom.

pical and warm temperate regions for its timber, and as a protection against malaria. The essential oil is beginning to be used in medicine. The timber is very useful. See Eucalyptus. -- Blue jack, Blue stone, blue vitriol; sulphate of copper. -- Blue jacket, a man-of war's man; a sailor wearing a naval uniform. --…

color and adulterate various substances. It was formerly used in medicine. It is composed essentially of hydrous silicates of alumina, or more rarely of magnesia. See Clay, and Terra alba.