Definitions for quaternion

• Definition
• Anagrams (538)

quaternion qua·ter·ni·on

Spelling: [kwuh-tur-nee-uh n]

IPA: /kwəˈtɜr ni ən/

Quaternion is a 10 letter English word. It's valid Words with friends word worth 22 points.

You can make 538 anagrams from letters in quaternion (aeinnoqrtu).

Definitions for quaternion

noun

1. a group or set of four persons or things.
2. Bookbinding. four gathered sheets folded in two for binding together.
3. Mathematics. an expression of the form a + bi + cj + dk, where a, b, c, and d are real numbers; i 2 = j 2 = k 2 = −1; and ij = −ji = k, jk = −kj = i, and ki = −ik = j. a quantity or operator expressed as the sum of a real number and three complex numbers, equivalent to the quotient of two vectors. The field of quaternions is not commutative under multiplication.

Origin of quaternion

1350-1400; Middle English quaternioun Late Latin quaterniōn- (stem of quaterniō), equivalent to Latin quatern(ī) four at a time + -iōn- -ion

Examples for quaternion

Next, to assign the distinction between the first and the second quaternion in propositions tertii adjacentis.

These last words are incorrect in fact, for οὐκ ἄνθρωπος does not appear in the first quaternion, but is reserved for the second.

William Hare, the second of our quaternion, was also a native of Ireland, having been born in the neighbourhood of Londonderry.

Even then the captain of the gate was replying to a question from the quaternion.

Four soldiers formed a quaternion; four quaternions therefore were sixteen men, who were especially appointed to guard Peter.

As regard class of the first quaternion, like Sancho Panza I have no intention of indicating how old these may be.

His days are thus described: from dawn to the third hour he copied rapidly, filling a (quaternion) each day.

There was no sound of trumpet at the sun's rising, but a quaternion of legionaries came and the guard was changed.

Should neither player be able to form a quaternion, then the game is drawn.

The quaternion was a gathering of four sheets of vellum, each folded once; thus forming sixteen pages.