Page 5 - Letter S - By initial dictionary by Futura-Sciences

Alphabetical index

SESAME SESAME, Secure European System for Applications in a ...	Sessile The term sessile has two meanings: Firstly, an organ (leaf, ...
Sessile oak The sessile oak is a majestic tree that dominates most ...	Session key A session key is a secret (symmetric), single-use key used ...
SETI SETI (Search for Extra-Terrestrial Intelligence) is a ...	Severe persistent asthma Asthma varies in severity. Symptons are permanent in severe ...
Seveso disaster In 1976, a reactor in the ICMESA factory, a subsidiary of ...	Sewage sludge Sewage sludge is residue from the treatment of liquid ...
Sex chromosome Gonosome. X and Y chromosomes determine a person's sex. ...	Sex glands The sex glands are the ovaries and testes. We refer to them ...
Sexual dimorphism A species is sexually dimorphic when the male and female ...	Sexual selection Sexual selection is a mechanism ofevolution. Selection ...
Seyfert galaxy Seyfert galaxies are ordinary-looking galaxies, usually ...	SGML SGML: Standard Generalized Markup Language. A standardised ...
SHA-1 SHA-1 is a 1994 version of the SHA (Secure Hash Algorithm), ...	Shale gas Shale gas is a natural gas trapped at great depths in ...
Shallot The shallot is a condiment that gives a sweet yet distinct ...	Shank feathers Shank feathers cover the base of the limbs of diurnal birds of prey.
Shared resource radio network A shared resource radio network is a radio communications ...	Shareware Shareware is free trial software. It is software for which ...
Shark feeding Shark feeding designates the tourist activity that consists ...	Shearing-flock Shearing-flock is made of finely cut wool or synthetic ...
Shell A shell is a hard, calcareous envelope that constitutes the ...	Shenzhou Shenzhou: Shenzou is a Chinese space capsule built in ...
Shergottite Shergottites are rare meteorites, divided into two main ...	Shiga toxin The shiga-toxins (STX1 and STX2) are specific toxins coded ...
Shingle Shingleis a sheet of felt covered with bitumen. This ...	Shipwreck of the Ievoli Sun The Ievoli Sun chemical tanker sank in the English Channel, ...
Shocked quartz Shocked quartzes are specific to large meteorite impacts. ...	Shoemaker-Levy 9 Shoemaker-Levy 9 is a comet that looks like a 21 piece ...
Shoemaker-Levy 9 comet The Shoemaker-Levy 9 comet (SL9) made it possible to ...	SHON The net floor area (SHON, or 'surface hors oeuvre nette' in ...
Shooting star When a speck of cosmic dust enters the Earth's atmosphere, ...	Shuttering blocks Often used in the construction of swimming pools, shuttering ...
Shuttering panel A shuttering panel is a formwork panel used to pour cement ...	Sialidase Sialidase is an enzyme produced by all living beings. It ...
Sialography Sialography is the radiological examination which ...	Side effects (Secondary effects) A side effect is an undesired reaction occurring from ...
Sidereal period The sidereal period is the time between two passages of an ...	Sidereal time Sidereal time is the hour angle of the equinox. Real ...