Delta (/ˈdɛltə/; uppercase Δ, lowercase δ; Greek: δέλτα, délta, [ˈðelta]) is the fourth letter of the Greek alphabet. In the system of Greek numerals it...

ᴹ ᴺ ᴻ ᴼ ᴽ ᴾ ᴿ ᵀ ᵁ ᵂ ᵃ ᵄ ᵅ ᵆ ᵇ ᵈ ᵉ ᵊ ᵋ ᵌ ᵍ ᵏ ᵐ ᵑ ᵒ ᵓ ᵖ ᵗ ᵘ ᵚ ᵛ, Greek ᵝ ᵞ ᵟ ᵠ ᵡ, Cyrillic ᵸ, other ᵎ ᵔ ᵕ ᵙ ᵜ. These are intended to indicate secondary...

DELTA, Delta, delta, deltas, Δ, or δ in Wiktionary, the free dictionary. Delta commonly refers to: Delta (letter) (Δ or δ), the fourth letter of the Greek...

δ-Valerolactone (delta-valerolactone) is a lactone used as a chemical intermediate in processes such as the production of polyesters. δ-Valerolactone...

Stylized as Metal Gear Solid Δ: Snake Eater. Abbreviated as MGSΔ. Known in Japan as Metaru Gia Soriddo Deruta Sunēku Ītā (メタルギアソリッドΔ(デルタ) スネークイーター). Croft,...

real δ > 0 such that for all real x, 0 < |x − p| < δ implies |f(x) − L| < ε. Symbolically, ( ∀ ε > 0 ) ( ∃ δ > 0 ) ( ∀ x ∈ R ) ( 0 < | x − p | < δ ⟹ |...

δ-Cadinol is an organic compound, a sesquiterpenoid alcohol produced by many plants as well as some animals and microorganisms. It is a white crystalline...

δ-Tocopherol (delta-tocopherol) is a tocopherol and one of the chemical compounds that is considered vitamin E. As a food additive, it has E number E309...

δ-Carotene (delta-carotene) or ε,ψ-carotene is a form of carotene with an ε-ring at one end, and the other uncyclized, labelled ψ (psi). It is an intermediate...

In mathematical analysis, the Dirac delta function (or δ distribution), also known as the unit impulse, is a generalized function on the real numbers...

In electrical engineering, the Y-Δ transform, also written wye-delta and also known by many other names, is a mathematical technique to simplify the analysis...

δ-Decalactone (DDL) is a chemical compound, classified as a lactone, that naturally occurs in fruit and milk products in traces. It can be obtained from...

Δ-8-tetrahydrocannabinol (delta-8-THC, Δ8-THC) is a psychoactive cannabinoid found in the Cannabis plant. It is an isomer of delta-9-tetrahydrocannabinol...

2-Piperidinone (2-piperidone or δ-valerolactam) is an organic compound with the formula (CH2)4CONH. Valerolactam is formed by dehydrogenation of 5-amino-1-pentanol...

2 , i Δ r 1 , i Δ r 3 , i Δ r 2 , i Δ r 1 , i − ( Δ r 1 , i 2 + Δ r 3 , i 2 ) Δ r 2 , i Δ r 3 , i Δ r 3 , i Δ r 1 , i Δ r 3 , i Δ r 2 , i − ( Δ r 1 ,...

In chemistry, a delta bond (δ bond) is a covalent chemical bond, in which four lobes of an atomic orbital on one atom overlap four lobes of an atomic...

Mintaka /ˈmɪntəkə/, designation Delta Orionis (δ Orionis, abbreviated Delta Ori, δ Ori) and 34 Orionis (34 Ori), is a multiple star system some 1,200...

certain metric relations (depending quantitatively on a nonnegative real number δ) between points. The definition, introduced by Mikhael Gromov, generalizes...

δ i l δ i m δ i n δ j l δ j m δ j n δ k l δ k m δ k n | = δ i l ( δ j m δ k n − δ j n δ k m ) − δ i m ( δ j l δ k n − δ j n δ k l ) + δ i n ( δ j l δ...

integers. The function is 1 if the variables are equal, and 0 otherwise: δ i j = { 0 if  i ≠ j , 1 if  i = j . {\displaystyle \delta _{ij}={\begin{cases}0&{\text{if...

The δ-opioid receptor, also known as delta opioid receptor or simply delta receptor, abbreviated DOR or DOP, is an inhibitory 7-transmembrane G-protein...

commonly denoted Δ {\displaystyle \Delta } is the operator that maps a function f to the function Δ [ f ] {\displaystyle \Delta [f]} defined by Δ [ f ] ( x )...

number δ > 0 {\displaystyle \delta >0} such that for all x {\displaystyle x} in the domain of f {\displaystyle f} with x 0 − δ < x < x 0 + δ , {\displaystyle...

protons and neutrons. Four closely related Δ baryons exist: Δ++  (constituent quarks: uuu), Δ+  (uud), Δ0  (udd), and Δ−  (ddd), which respectively carry an...

\nabla ^{2}} (where ∇ {\displaystyle \nabla } is the nabla operator), or Δ {\displaystyle \Delta } . In a Cartesian coordinate system, the Laplacian...

maximum change of velocity of the vehicle, Δ v {\displaystyle \Delta v} (with no external forces acting) is: Δ v = v e ln ⁡ m 0 m f = I sp g 0 ln ⁡ m 0...

surroundings for mechanical equilibrium). The Gibbs free energy change ( Δ G = Δ H − T Δ S {\displaystyle \Delta G=\Delta H-T\Delta S} , measured in joules...

symmetric difference is commutative and associative: A Δ B = B Δ A , ( A Δ B ) Δ C = A Δ ( B Δ C ) . {\displaystyle {\begin{aligned}A\,\Delta \,B&=B\,\Delta...

(length of the material) The formula for the rate of heat flow is: Q Δ t = − k A Δ T Δ x {\displaystyle {\frac {Q}{\Delta t}}=-kA{\frac {\Delta T}{\Delta...

In homological algebra, a δ-functor between two abelian categories A and B is a collection of functors from A to B together with a collection of morphisms...