Related Words

Single: A play in which the batter safely makes it to first base.

Single-Origin Coffee: Unblended coffee from a single country, region, and crop.

Single-Lens Reflex (SLR): An SLR, or single-lens reflex, camera is named for its picture-taking mechanism. In a film SLR, the viewfinder uses a 45°-angled mirror to see through the lens; that mirror snaps out of sigh . . . View Full Definition

Single-Estate Coffee: Coffee produced by a single farm, single mill, or single group of farms, and marketed without mixture with other coffees. Many specialty coffees are now identified by estate name, rather tha . . . View Full Definition

Single Agency: The practice of representing either the buyer or the seller but never both in the same transaction. The single-agency broker may be compensated indirectly through an authorized commission sp . . . View Full Definition

Single-Index Model: A model of security returns that acknowledges only one common factor. The single factor is usually the market return. See: Factor model.

Single-Country Fund: A single put option or call option, as opposed to a spread or straddle, which involves multiple puts and calls.

Single Effect Theory: Edgar Allan Poe's theory about what constituted a good short story. According to Poe, a good short story achieved its unity by achieving a single emotional effect on the reader. He writes of . . . View Full Definition

Single- Gene Disorder: Hereditary disorder caused by a mutant allele of a single gene (e.g., duchenne muscular dystrophy, retinoblastoma, sickle cell disease). Compare polygenic disorders.

Single Nucleotide Polymorphism (SNP): Dna sequence variations that occur when a single nucleotide (a, t, c, or g) in the genome sequence is altered.