apo-, ap-, aph-

(Greek: from, away from, asunder, separate, separation from, derived from)

apocentric (adjective), more apocentric, most apocentric
A reference to the point on any orbit farthest from the center of attraction.
apocope (s) (noun), apocopes (pl)
The loss or omission of one or more syllables from the end of a word; for example, the shortening of "kind of" to "kinda".
apocrine (adjective), more apocrine, most apocrine
A reference to producing a secretion that involves breaking off of the part of the cytoplasm of the secreting cells above the nucleus; produced by an apocrine gland.
apocrine gland (s) (noun), apocrine glands (pl)
Any of the large sweat glands that produce both a fluid and a secretion.

Apocrine glands are restricted in men to hairy regions of the body, and are lined by a single layer of tall columnar cells with acidophile cytoplasm (thriving in a relatively acid environment).

Apocryphalist (s) (noun), Apocryphalists (pl)
Anyone who believes in, or who defends, the Apocrypha; that is, the biblical books included in the Vulgate and accepted in the Roman Catholic and Orthodox canon but considered non-canonical or an unacceptable rule by Protestants because they are not part of the Hebrew Scriptures.
apocynum (s) (noun), apocynums (pl)
A genus of chiefly American perennial herbs of the dogbane family (Apocynaceae) with opposite leaves and small white or pink flowers comprising the dogbanes of which several are the source of substances with physiological activity resembling digitalis.

Dogbanes are perennial herbaceous plants, with poisonous milky juice, bearing slender pods in pairs; said to be poisonous to dogs.

apodactylic (adjective), more apodactylic, most apodactylic
A reference to being incapable of using one's fingers.
apodemialgia (s) (noun), apodemialgias (pl)
Wanderlust; longing to get away from home or to travel; a painful desire to get away. The opposite of nostalgia.
apodictic (adjective), more apodictic, most apodictic
A kind of argument in which someone presents his or her reasoning as categorically true; even if it is not necessarily so: Since Robert didn't consider several aspects of the computer program, he should not have made so many apodictic statements about the reliability of the usage of the system which he was presenting.
Being convinced and certain.
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apodosis (s) (noun), apodoses (pl)
1. The main clause of a sentence: "The game will be canceled" is the apodosis in the sentence, "The game will be canceled if it rains."
2. Etymology: from Late Latin, from Greek, from apodidonai, "to give back"; apo-, "from" + didonai, "to give".
apodysis (s), apodyses (pl) (noun forms)
1. The act of disrobing as an expression of exhibitionism.
2. The act or habit of mentally undressing a person or fantasizing about what that person looks like naked.
apogee (s), apogees (pl) (noun forms)
1. The point at which a satellite orbiting an astronomical object is farthest from the center of the object being orbited.
2. The points in the orbits of the moon, or of an artificial satellite, that are most distant from the center of the earth.
3. The point in an orbit that are most distant from the body being orbited.
4. The farthest, or highest, point; a culmination.
apogeotropic (adjective), more apogeotropic, most apogeotropic
Characterized by the response by an organism of turning away from the earth; such as, plant stems and leaves that grow upward from the soil where they exist.
apogeotropism (s) (noun), apogeotropisms (pl)
The growth or orientation certain plants up away from the earth in which they grow or negative geotropism.
apogeotropy (s) (noun), apogeotropies (pl)
The tendency of leaves or other parts of plants to turn upward and in the opposite direction away from the soil of the earth; negative geotropism.