(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)

atonic (adjective), more atonic, most atonic
1. Relating to, caused by, characterized by, or exhibiting lack of muscle tone: Someone who has an atonic body, or a part of the body, has a weakness or reduction in the normal strength or firmness of a tissue or some other part of the body.
2. A description of a syllable or a sound that is not accented or stressed: The syllables of the words Jim was saying did not include any atonic vowels.
Absence of hair, congenital or acquired.
audiogenic (adjective) (not comparable)
Produced by sound or occurring as a result of the exposure to sound: An epiloptoid response or an audiogenic seizure can be caused by a very loud sound or noises.
audiometric (adjective) (not comparable)
A reference to the measurement of hearing, as by means of an audiometer: Joan was interested in the audiometric assessments of her mother's auditory acuity.

An audiomnetric measurement of hearing levels is processed by an audiometer.

auditopsychic (adjective) (not comparable)
Referring to the auditory association areas of the temporal cortex of the brain: Dr. Goodness informed the students in his seminar about the auditopsychic region of the cerebrum or brain that was responsible for hearing and understanding.
Of or pertaining to a pipe (flute) or piper.
1. A reference to a non-parasitic plant growing, or living, within in a hollow cavity in another plant.
2. Descriptive of a plant that lives sheltered within a cavity of another plant.
Showing evidence of autism, e.g., a disturbance in psychological development in which use of language, reaction to stimuli, interpretation of the world, and the formation of relationships are not fully established and follow unusual patterns.
A reference to anything that originates where it is found.
A reference to rock which has been fragmented in place as a result o mechanical processes or orogenic (mountain formation) forces .
autocratic (adjective), more autocratic, most autocratic
Of the nature of, or pertaining to someone who has absolute authority; a despotic ruler.
A reference to one's own skin; used especially in reference to autografts.
autodidactic (adjective), more autodidactic, most autodidactic
Relating to or characteristic of being self-taught: The autodidactic education that Sam acquired during the years he was being homeschooled are considered quite superior.