(Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous)

anacoustic zone, zone of silence (s) (noun); anacoustic zones; zones of silence (pl)
An area in outer space where sound cannot be transmitted: The anacoustic zone is said to be the upper portion of the earth's atmosphere starting at a hundred miles (160 kilometers) and on into interplanetary space where sound cannot be projected because gas molecules are too far apart to serve as a transferring medium.

The anacoustic zone is also known as the "zone of silence".

anadipsic (adjective) (not comparable)
Descriptive of an excessive thirst, usually of water: In the fantasy story Jane was reading, the main character noticed, after three days of not being able to drink, that he was suffering from an anadipsic health problem and needed to find a river or lake to find some water!
anaerobic (adjective) (not comparable)
1. Relating to the absence of atmospheric oxygen or air: Anaerobic digestion occurs when natural food stuffs decompose in the absence of oxygen and the result of this process is methane.
2. Referring to life or growth where there is no atmospheric oxygen: There are many investigative projects undertaken to study the possibilities of anaerobic farming in space.

Anaerobic bacteria get their oxygen by decomposing compounds containing oxygen.

anaerobiotic (adjective), more anaerobiotic, most anaerobiotic
Relating to life in an environment devoid or empty of free oxygen; anaerobic: Anaerobiotic habitats are those that are devoid of, or significantly depleted in, molecular oxygen or the Earth's air.
anaerogenic (adjective) (not comparable)
Concerning a living thing that does not produce gas: Anaerogenic microorganisms do not create visible gas during the breakdown of carbohydrates.
anaglyptographic (adjective), more anaglyptographic, most anaglyptographic
1. A reference to a machine, or system, that produces representations in relief, of coins, medals, etc.
2. The art of copying works in relief, or of engraving as to give the subject an embossed or raised appearance; used in representing coins, bas-reliefs, etc.

A bas-relief, or low relief, is a sculptural form in which figures are carved in a flat surface and project only slightly from the background rather than standing freely.

Depending on the degree of projection, reliefs may also be classified as either a high or a medium relief.

anagogic, anagogical (adjective); more anagogic, most anagogic; more anagogical, most anagogical
Relating to words and their mystical sense: Anagogic terms can be mysterious in their meaning, have a secondary spiritual sense, or even an allegorical interpretation.
1. Descriptive of processes which restore energy with the formation of energy-rich compounds.
2. A reference to anakinesis or an autocatalytic process, thought to be characteristic of living matter, by which certain molecules or atoms are rendered rich in energy and consequently reactive.
analeptic (adjective), more analeptic, most analeptic
1. A drug that has a stimulating effect on the central nervous system: The laboratory was testing the new analeptic medication which was being developed in hopes of its successful use to stimulate the CNS of accident victims.
2. Restoring, invigorating, or giving strength after disease: An analeptic stimulation puts forth a restorative or invigorating action.
Restorative and invigorating.
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analgic (adjective) (not comparable)
Insensible to or not feeling pain: Alice mouth was in an analgic state when her dentist extracted her tooth.
analytic (adjective)
1. A reference to the resolving into constituent parts or first principles.
2. Descriptive of being able or inclined to separate things into their constituent parts in order to study or to examine them, to draw conclusions, or to solve problems.
anamnestic (adjective); more anamnestic, most anamnestic
1. Descriptive of summoning back or the retrieval of a person's memories: The original, philosophical meaning of anamnestic things or times involved the taking of recollections from an individual's past existences and using them in his or her current life with rational thoughts and true knowledge.
2. Relating to the proposed equivalent of devices that exist for remembering something: This term can also apply to a patient's medical history when a doctor takes notes on someone's anamnestic conditions during his or her first visit.
3. Etymology: Anamnestic is a Greek word that refers to "a calling to mind," from the roots ana-, "back," and mimneskesthai, "to recall" or "to cause to remember."
1. Pertaining to a gradual evolution from one type of organism to another.
2. A reference to a kind of distorting optical system; such as, "an anamorphic lense".
3. Motion picture terminology: Cinemascope; an optical system which has different magnifications in the vertical and horizontal dimensions of the picture.
anamorphic lens
A lens that produces different magnifications along lines in different directions in the image plane.