Wednesday, March 31, 2010

Fard

Fard (Arabic: الفرض‎) also farida (Arabic: الفريضة‎) is an Islamic term which denotes a religious duty. The word is also used in Persian, Turkish, and Urdu (spelled farz) in the same meaning.

Tuesday, March 30, 2010

hamlet

A hamlet is usually a rural settlement which is too small to be considered a village, though sometimes the word is used for a different sort of community. The name comes from Anglo-Norman hamelet(t)e; Old French hamelet, the diminutive of OF hamel, itself derived of OF ham from Germanic heim or Anglo-Saxon hām > home.

Monday, March 29, 2010

siriometer

The siriometer is a rarely used astronomical measure equal to one million astronomical units, i.e., one million times the average distance between the Sun and Earth. This distance is equal to about 15.8 light-years, about twice the distance from Earth to the star Sirius.

Sunday, March 28, 2010

Nibble

A measure of quantity of data or information, the "nibble" (sometimes spelled "nybble" or "nybl") is equal to 4 bits, or one half of the common 8-bit byte. The nibble is used to describe the amount of memory used to store a digit of a number stored in packed decimal format, or to represent a single hexadecimal digit.

Saturday, March 27, 2010

shake

In nuclear engineering and astrophysics contexts, the shake (as in "two shakes of a lamb's tail", an old colloquial expression) is used as a conveniently short period of time. 1 shake is defined as 10 nanoseconds.

synanthrope

 A synanthrope (from ancient Greek σύν sýn "together, with" and ἄνθρωπος ánthrōpos "man") is an organism that evolve...