Blast
1. (Science: biology, suffix) a suffix or terminal formative, used principally in biological terms, and signifying growth or formation. An immature precursor cell of the type indicated by the preceding word, for example; bioblast, epiblast, mesoblast, etc.
2. A violent gust of wind. A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast.
3. The terms hot blast and cold blast are employed to designate whether the current is heated or not heated before entering the furnace. A blast furnace is said to be in blast while it is in operation, and out of blast when not in use.
4. (Science: veterinary) a flatulent disease of sheep.
See: blast cell, blastema.
Origin: g. Blastos, germ
Dictionary > Blast
You will also like...
Freshwater Communities & Lentic Waters
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Biological Viruses
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
IQ, Creativity and Learning
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..
Meiosis and Alternation of Generations
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Human Reproduction and Fertilization
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
Genetic Control – On and Off Genes
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..