ScienceAugust 13, 2026

varphi

VAR-fee

Definition

The Greek letter φ (phi), frequently used in mathematical and scientific contexts to represent variables such as a rotation angle or an orientation.

Etymology

The term is the English name for the Greek letter phi (φ), specifically derived from its alternative lowercase cursive or mathematical form 'φ', often written with a stroke variation in some fonts.

In the news

In this article, 'varphi' is used within a mathematical formula to denote the rotational angle of a 2D Gaussian distribution during the analysis of spot intensity for fluorescence imaging.

Nucleosomes and IDRs suppress promiscuous GCN4 binding on minichromosomes

Read the full article ↗

Nature

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