A sieve is a tool to separate materials of one characteristic (for example, liquids) from materials of another (for example, solids).

Sieve may also refer to:

Places Sieve River in Italy

Computing Sieve (mail filtering language), a standard for specifying email filters Sieve C++ Parallel Programming System, a compiler for C++

Mathematics Sieve (category theory) Cyclic sieving, a phenomenon in combinatorics Sieve estimator (statistics and econometrics) Sieve theory, a technique for counting or filtering sets of numbers General number field sieve Large sieve Quadratic sieve Sieve of Atkin Sieve of Eratosthenes Sieve of Sundaram Sieve of Pritchard

Science and healthcare Sieve, in medicine, a "surgical sieve" refers to a very general list of diagnostic or pathological headings, against which any finding can be compared Sieving coefficient, used in transport phenomena, in chemistry Sieve tube element, an elongated cell in the phloem tissue of flowering plants

Tools Sieve, a firefighting tool used when a fire engine drafts water from a body of water; it is a large metal strainer that is attached to the end of a hard suction hose that prevents debris from entering the hose Sieve, a gardening tool, known as a riddle, used to separate soil particles and provide a finer tilth, for example by removing stones and twigs Sieve, in plumbing, a stainless steel strainer

Other uses Sieve (hieroglyph), an ancient Egyptian hieroglyph Sieve, or strainer, on rivers is a dangerous obstacle that water can pass through, but people cannot (see Obstacle in whitewater canoeing) Sieve, in sports such as hockey or lacrosse, is a common slang term used when referring to a goaltender who allows many or weak goals Sieve analysis, a practice or procedure used to assess the particle size distribution of a granular material, such as soil

See also CIV (band), a New York City punk rock band pronounced "sieve"