GF

gf is an abbreviation that can refer to several different concepts depending on context. It is commonly used as shorthand for girlfriend in informal communication, but it also appears in science, mathematics, sports, and labeling.

In social and everyday language, gf stands for girlfriend, a female partner in a romantic relationship, used in texting and conversation.

In biology and medicine, GF typically stands for growth factor, a substance such as a protein that stimulates cell growth, division, or differentiation. The term is used across research and clinical literature with various specific factors named, for example vascular endothelial growth factor (VEGF).

In mathematics and computer science, GF denotes a Galois field, a finite field used in cryptography, error-correcting codes, and digital signal processing. GF(p^n) indicates a field of order p^n. Notable applications include the Rijndael finite field used in AES and QR code error correction.

In nutrition and labeling, GF stands for gluten-free, indicating products that do not contain gluten and are suitable for people with celiac disease or gluten sensitivity.

In geography and standards, GF is the ISO 3166-1 alpha-2 country code for French Guiana, and the country code top-level domain is .gf. It is used in vehicle registrations and international contexts to denote the region.

In sports standings, GF stands for goals for, the number of goals a team has scored. It is commonly paired with GA (goals against) in league tables to indicate scoring performance.