obsolesc-, obsolescent-, obsolet-
(Latin: to wear out, to grow old; to fall into disuse; to grow out of use; elderly, older)
2. That which is or is becoming outmoded: According to some sources, people are obsolescing the use of many words these days.
2. A loss in the utility or value of property that results over time from intrinsic limitations; such as, outmoded facilities or external circumstances: Obsolescence is usually distinguished from depreciation and physical deterioration.
Economic obsolescence results from external factors; such as, location that renders a property of no longer being competitive, or is unattractive to purchasers or investors, or of decreasing usefulness.
Functional obsolescence derives from a lack of adequate or appropriate equipment, space, or design.3. In medicine, the termination or the beginning of the end of any physiological process.
4. Synonyms of obsolescence: on the way out, passing out of use, disappearing, fading, waning, on the wane, dying.
2. Descriptive of being outdated or outmoded, as machinery or weapons.
3. In biology, gradually disappearing; imperfectly or only slightly evolving: An obsolescent development of an organ or other part of an animal or a plant.
2. Relating to something that is superseded by a newer item, although the previous one is possibly still in use.
3. A description of a part or organ of an animal or plant that is undeveloped or no longer functional.
4. Pertaining to words, equipment, etc., that are no longer active are gone into disuse: There are obsolete things which are replaced by something that is newer.
5. Synonyms of obsolete: ancient, antiquated, antique, archaic, disused, neglected, old, old-fashioned, out of date, discontinued, defunct, outmoded, and superannuated.
6. Etymology: from Latin obsoletus, "grown old, worn out"; past participle of obsolescere, "to wear out, to grow old, to fall into disuse"; probably from ob-, "away" + solere, "to be accustomed to".
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2. With reference to a plant or animal part, indistinct or imperfect as compared with a corresponding part in related organisms; that are too small or imperfectly developed in comparison to others that are more fully developed in an earlier stage of the individual, in a past generation, or in closely related forms.