delta
Language: English
Part of speech: noun
Pronunciation: ipa: /ˈdɛltə/
ipa: [ˈdɛɫtə]
rhymes: -ɛltə
Forms: form: deltas
Etymology: From Ancient Greek δέλτα (délta), borrowed from a Phoenician word for "door", ultimately from Proto-Semitic *dalt-. Doublet of dalet.
* (river): from the triangular shape of the majuscule Greek letter delta Δ
* (USSF): from the delta wing, symbol of the USSF, a triangular wing, shaped like the majuscule Greek letter delta Δ
Senses: glosses: The fourth letter of the modern Greek alphabet Δ, δ.
examples: text: Nile Delta
glosses: A landform at the mouth of a river where it empties into a body of water.
qualifier: international standards
glosses: Alternative letter-case form of Delta from the NATO/ICAO Phonetic Alphabet.
examples: text: ΔV - "delta vee"(change in velocity, used in rocketry and orbital mechanics)
topics: engineering
mathematics
natural-sciences
physical-sciences
physics
sciences
glosses: The symbol Δ; A change in a quantity, likely from "d" for "difference".
topics: business
finance
glosses: The rate of change in an option value with respect to the underlying asset's price.
topics: chemistry
natural-sciences
physical-sciences
glosses: A value in delta notation indicating the relative abundances of isotopes.
examples: text: When you update the file, the system will only save the deltas.
topics: computing
engineering
mathematics
natural-sciences
physical-sciences
sciences
glosses: The set of differences between two versions of a file.
examples: text: This will slow the main code path down, but only by delta.
topics: computing
engineering
mathematics
natural-sciences
physical-sciences
sciences
glosses: A small but noticeable effect. Compare epsilon.
topics: geography
natural-sciences
surveying
glosses: The angle subtended at the center of a circular arc.
glosses: A type of cargo bike that has one wheel in front and two in back.
examples: text: delta winding; delta connection; delta current
topics: business
electrical-engineering
electricity
electromagnetism
energy
engineering
natural-sciences
physical-sciences
physics
glosses: The closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system.
topics: government
military
politics
war
glosses: A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment.
topics: astronomy
natural-sciences
glosses: a star that is usually the fourth brightest of a constellation.
topics: natural-sciences
physical-sciences
physics
glosses: one of four baryons consisting of up and down quarks with a combined spin of 3/2: Δ⁺⁺ (uuu), Δ⁺ (uud), Δ⁰ (udd), or Δ⁻ (ddd)
topics: medicine
sciences
glosses: Ellipsis of delta variant (variant of the SARS-CoV-2 virus).
Synonyms: sense: USSF
english: a support wing equivalent
translation: a support wing equivalent
word: garrison
Hypernyms: sense: measure of derivative price sensitivity
english: includes list of coordinate terms
translation: includes list of coordinate terms
word: Greeks
topics: physics
physical-sciences
natural-sciences
word: baryon
topics: physics
physical-sciences
natural-sciences
word: resonance
Derived terms: antidelta
correlation delta
delta acid
delta arrowhead
delta blues
delta cell
delta connection
deltacoronavirus
Delta County
deltacron
delta decay
delta female
deltaform
delta glider
delta hinge
deltaic
delta iron
deltal
delta male
delta metal
delta particle
delta ray
delta-sigma converter
delta strain
deltate
delta test
delta-v
delta variant
delta wing
deltic
Dirac delta
Dirac delta function
hepatitis delta virus
inverted river delta
Kronecker delta
lava delta
nondelta
prodelta
sigma-delta converter
stimulus delta
subdelta
theta-delta
Related terms: deltoid