37 results found

Search Results for: dust

Dust

Dust 1. Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that... Read More

Spontaneous generation

Definition noun plural: spontaneous generations The previously popular notion that living organisms arise or develop from... Read More

Biogenesis

Definition noun plural: biogeneses (1) The process in which life forms arise from similar life forms (2) A theory that... Read More

Brick

Brick 1. A block or clay tempered with water, sand, etc, molded into a regular form, usually rectangular, and sun-dried, or... Read More

Coughing Cats May Be Allergic to People, Vets Say

    People can trigger asthma attacks in cats, according to veterinarians at a Scottish... Read More

Lung melanosis

Definition noun The blackening of the lung tissue, especially, in coal pneumoconiosis Supplement The blackening of the lungs... Read More

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More

Jacket

Jacket 1. A short upper garment, extending downward to the hips; a short coat without skirts. 2. An outer covering for... Read More

Opportunistic pathogen

Opportunistic Pathogen Definition How do we define opportunistic pathogen? The opportunistic pathogen is an infectious... Read More

Smuts

smut 1. Foul matter, like soot or coal dust; also, a spot or soil made by such matter. 2. (Science: chemical) bad, soft... Read More

Mite

Mite Definition What is mite? A mite is a minute arachnid, typically measuring less than 1 mm in length. It belongs to the... Read More

Mac

Mac a serious opportunistic infection caused by two similar bacteria (mycobacterium avium and mycobacterium intercellulare)... Read More

Scrape

scrape 1. To rub over the surface of (something) with a sharp or rough instrument; to rub over with something that roughens... Read More

Stifle

stifle 1. To stop the breath of by crowding something into the windpipe, or introducing an irrespirable substance into the... Read More

Aerobic bacteria

Aerobic Bacteria Definition What does aerobic mean in biology? As the name suggests, 'aerobe' in biology means organisms... Read More

Syntrophy

Definition noun A biological circumstances of two different species of microorganisms that are mutually dependent with... Read More

Brevibacillus brevis

Definition noun A motile aerobic ellipsoidal spore forming rod organisms involved in gramicidin production an antimicrobial... Read More

Micrococcus luteus

Definition noun A gram-positive aerobic harmless bacterium involved in the conversion of nitrate to... Read More

Macrophage

Definition noun, plural: macrophages A leukocyte whose main function is to eliminate cellular debris and foreign particles... Read More

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More

Heap

Heap 1. To collect in great quantity; to amass; to lay up; to accumulate; usually with up; as, to heap up treasures. Though... Read More

Silica

silica fine particulate dust from quartz rock that is known to cause a progressive lung injury over long-term. See:... Read More

Smut

smut 1. Foul matter, like soot or coal dust; also, a spot or soil made by such matter. 2. (Science: chemical) bad, soft... Read More

Apron

Apron 1. An article of dress, of cloth, leather, or other stuff, worn on the fore part of the body, to keep the clothes... Read More

Pathogen

Definition noun, plural: pathogens An agent causing disease or illness to its host, such as an organism or infectious... Read More

Mule

Definition noun, plural: mules (zoology) A sterile hybrid offspring, especially of a male donkey and a female horse (botany)... Read More

Damp

Damp 1. Moisture; humidity; fog; fogginess; vapor. Night . . . With black air Accompanied, with damps and dreadful gloom.... Read More

Dirt

Dirt 1. Any foul of filthy substance, as excrement, mud, dust, etc.; whatever, adhering to anything, renders it foul or... Read More

Speck

speck 1. A small discoloured place in or on anything, or a small place of a colour different from that of the main... Read More

Tear

Definition noun, plural: tears (physiology) The watery secretion of the lacrimal glands verb To pull (apart) by force or by... Read More

Reduce

reduce 1. To bring or lead back to any former place or condition. And to his brother's house reduced his wife. (Chapman) The... Read More

Heaps

Heap 1. To collect in great quantity; to amass; to lay up; to accumulate; usually with up; as, to heap up treasures. Though... Read More

Brush

Brush 1. An instrument composed of bristles, or other like material, set in a suitable back or handle, as of wood, bone, or... Read More

Iron

Iron 1. to smooth with an instrument of iron; especially, to smooth, as cloth, with a heated flatiron; sometimes used with... Read More

Native

native 1. One who, or that which, is born in a place or country referred to; a denizen by birth; an animal, a fruit, or... Read More

Numbers

number 1. To count; to reckon; to ascertain the units of; to enumerate. If a man can number the dust of the earth, then... Read More

Zoonosis

Zoonosis Definition Zoonosis is an infectious disease that can be transmitted from an animal to a human host. Originally a... Read More