Woody plants with a single trunk rising from the ground.
Aerugo animi rubigo ingenii.
The rust of the mind is the destruction of genius.
Alfred Henderson, Latin Proverbs, page 10 (1869), quoting Seneca. An equivalent English proverb: "I had rather wear out than rust out." Written by George Whitfield in his Remark (c. 1770).
anaerobe (s) (noun)
, anaerobes (pl)
1. A microorganism that lives and grows in the complete, or almost complete, absence of molecular oxygen.
2. Any organism that can live in the absence of oxygen; including anaerobes that are unable to even live in low concentrations of oxygen.
, more anaerobic, most anaerobic
1. Having to do with or occurring in 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. Relating to living or growing 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.
anaerobiont (s) (noun)
, anaerobionts (pl)
An organism that is capable of existing in the absence of oxygen; such as, anaerobic bacteria in the intestines break down waste with biogas as a by product.
anaerobiosis (s) (noun)
, anaerobioses (pl)
Life that is sustained or continued by an organism in the absence of oxygen or existing in an oxygen-free atmosphere.
, more anaerobiotic, most anaerobiotic
1. Related to life in a medium devoid or empty of free oxygen.
2. A reference to habitats devoid of, or significantly depleted in, molecular oxygen or Earth's air.
Not producing gas; a reference to microorganisms that do not produce visible gas during the breakdown of carbohydrates.
anaerophyte (s) (noun)
, anaerophytes (pl)
A plant that grows without air: The scientists were enthusiastic about the discovery of an anaerophyte because of the possibilities of farming in outer space.
anaeroplasty (s) (noun)
, anaeroplasties (pl)
Treatment of wounds with the exclusion of air: The doctor decided to treat Saul's wound using the anaeroplasty method to seal the wound from any air so that it would heal faster and better.
aura (s); aurae, auras (pl)
1. An invisible breath, emanation, or radiation.
2. A distinctive but intangible quality that seems to surround a person or thing; atmosphere.
3. In medicine, a sensation, as of a cold breeze or a bright light, that precedes the onset of certain disorders; such as, an epileptic seizure or an attack of migraine.
4. Etymology: from Latin aura "breeze, a breath of air, wind, air" and from Greek aura "breeze, breath".
Characterized by or relating to an aura.
1. A modification of the activated sludge method of purifying sewage.
2. A system of purifying sewage by oxidation, in which crude sewage is passed through special centrifugal pumps.
3. A sewage treatment method in which microorganisms oxidize the organic matter.
cacaerometer (s) (noun)
, cacaerometers (pl)
An instrument used to measure the quality of bad air or pollutions: The meteorologist used a cacaerometer to determine the quality of the air, so he could provide an accurate weather report.
The treatment of disease by exposure to sunshine and fresh air.