1) Any foursome 2) Digit 3) Figure 4) Four 5) Four-note chord 6) Four-part structure 7) Foursome 8) Golf group often 9) Half of an octet 10) Little joe 11) Quadruplet 12) Quartet 13) Quatern 14) Quaternary 15) Quaternion 16) Quaternity 17) Series of four 18) The women in Little Women 19) Unit of area
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https://www.crosswordclues.com/clue/tetrad
1) Four 2) Quadruplet 3) Quartet 4) Quatern 5) Quaternion 6) Quaternity
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https://www.crosswordclues.com/clue/tetrad
[Greek philosophy] The tetrad was the name given to the number four in Pythagorean philosophy. There were four seasons and four elements, and the number was also associated with planetary motions and music. ...
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http://en.wikipedia.org/wiki/Tetrad_(Greek_philosophy)
[area] A tetrad is an area 2 km x 2 km square. The term has a particular use in connection with the British Ordnance Survey national grid, and then refers to any of the 25 such squares which make up a standard hectad. Tetrads are sometimes used by biologists for reporting the distribution of species to maintain a degree of confidentiality a...
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http://en.wikipedia.org/wiki/Tetrad_(area)
[astronomy] In astronomy, a tetrad is a set of 4 total lunar eclipses within 2 years. == List of tetrad events == ===1949-2000=== === 2001-2051 === == See also == ...
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http://en.wikipedia.org/wiki/Tetrad_(astronomy)
[genetics] The tetrad is the four spores of a yeast or Chlamydomonas produced after meiosis. After parent haploids mate, they produce diploids. Under appropriate environmental conditions, diploids sporulate and undergo meiosis. The meiotic products, spores, remain packaged in the parental cell body to produce the tetrad. If the two parents ...
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http://en.wikipedia.org/wiki/Tetrad_(genetics)
[index notation] for an n-dimensional manifold. Locally, at least, this gives a basis for the 1-forms, dxi where d is the exterior derivative. The dual basis for the tangent space T is ei. Now, let`s choose an orthonormal basis for the fibers of T. The rest is index manipulation. ...
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http://en.wikipedia.org/wiki/Tetrad_(index_notation)
[music] A tetrad is a set of four notes in music theory. When these four notes form a tertian chord they are more specifically called a seventh chord, after the diatonic interval from the root of the chord to its fourth note (in root position close voicing). Four-note chords are often formed of intervals other than thirds in 20th- and 21st-...
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http://en.wikipedia.org/wiki/Tetrad_(music)
• (n.) The number four; a collection of four things; a quaternion. • (n.) A tetravalent or quadrivalent atom or radical; as, carbon is a tetrad.
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http://thinkexist.com/dictionary/meaning/tetrad/
A unit of four pollen grains.
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http://www.anbg.gov.au/cpbr/cd-keys/orchidkey/html/glossary.html
(from the article `coccus`) ...rows or chains of such cells are called streptococci; grapelike clusters of cells, staphylococci; packets of eight or more cells, sarcinae; and ...
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http://www.britannica.com/eb/a-z/t/30
(from the article `meiosis`) ...the contraction of the chromosomes in the nucleus of the diploid cell. Homologous paternal and maternal chromosomes pair up along the midline of ...
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http://www.britannica.com/eb/a-z/t/30
A group of four, four pollen grains remaining fused together at maturity. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973
(tet´rad) a group of four similar or related entities, such as (1) any element or radical having a valence, or combining power, of four; or (2) a group of four chromosomal elements formed in the pachytene stage of the first meiotic prophase.
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http://www.encyclo.co.uk/local/21001
Four homologous chromatids paired together during first meiotic prophase. More generally, any group of four objects.
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http://www.encyclo.co.uk/visitor-contributions.php
Tet'rad noun [ Latin
tetras ,
- adis , Greek ..., ...: confer French
tétrade .]
1. The number four; a collection of four things; a quaternion.
2. (Chemistry) A tetravalent or quadrivalent atom or radical; as, carbon is a
tetrad .
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http://www.encyclo.co.uk/webster/T/34
Type: Term Pronunciation: tet′rad Definitions: 1. A collection of four things having something in common, such as a deformity with four features, Fallot tetralogy. 2. In chemistry, a quadrivalent element. 3. In heredity, a bivalent chromosome that divides into four chromatids during meiosis. Synonyms: tetralogy
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http://www.medilexicon.com/medicaldictionary.php?t=91024
Combinations of four hues that are equal distance from one another, forming a square or rectangle on the color wheel.
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http://www.sensationalcolor.com/understanding-color/theory/color-term-gloss
A color scheme based on four hues equidistant on the color wheel—for example, green, yellow-orange, red, and blue-violet.
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https://pixel77.com/glossary-design-beginners-50-color-related-terms/
Unit of quantity equal to four.
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https://www.encyclo.co.uk/local/20687
No exact match found.
