Term: focal ratio: the ratio of the focal length to the diameter of a (camera) lens system
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: mycoplasmataceae: pleomorphic Gram-negative nonmotile microorganism similar to both viruses and bacteria; parasitic in mammals
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: lotion: any of various cosmetic preparations that are applied to the skin
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: dado: a rectangular groove cut into a board so that another piece can fit into it
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: skateboard: a board with wheels that is ridden in a standing or crouching position and propelled by foot
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: agency: the state of being in action or exerting power
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: maximum: the largest possible quantity
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: comfortableness: a feeling of being at ease in a relationship
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: spiritual being: an incorporeal being believed to have powers to affect the course of human events
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: thrombocytopenia: a blood disease characterized by an abnormally small number of platelets in the blood
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: hornbeam: any of several trees or shrubs of the genus Carpinus