- sectional density
- noun
: the ratio of the weight of a projectile to the square of its diameter
Useful english dictionary. 2012.
sectional density
Look at other dictionaries:
Sectional density — is the ratio of an object s weight to its cross sectional area. It conveys the ability for an object to overcome resistance. When a projectile is in flight or impacting an object, it is the sectional density of that projectile which will… … Wikipedia
Relative density — Relative density, sometimes called specific density, is the ratio of the density of a substance to the density of a given reference material. If a substance s relative density is less than one then it is less dense than the reference; if greater… … Wikipedia
Current density — This page is about the electric current density in electromagnetism. For the probability current density in quantum mechanics, see Probability current. Current density is a measure of the density of flow of a conserved charge. Usually the charge… … Wikipedia
Spectral flux density — In spectroscopy, spectral flux density is the quantity that describes the rate at which energy transferred by electromagnetic radiation is received from a source, per unit area facing the source, per unit wavelength range. In SI units it is… … Wikipedia
current density — n. the amount of electric current passing through a cross sectional area (perpendicular to the direction of current) of a conductor in a given unit of time: commonly expressed in amperes per square centimeter or amperes per square inch … English World dictionary
current density — Elect. the amount of current flowing through a given cross sectional area in a given time interval: usually measured in amperes per square centimeter. * * * … Universalium
flux density — Physics. the magnetic, radiant, or electric flux per unit of cross sectional area. [1895 1900] * * * … Universalium
luminous flux density — luminous flux per unit of cross sectional area. * * * … Universalium
current density — amount of electricity flowing through a specific cross sectional area during a specific length of time (Electricity) … English contemporary dictionary
current density — cur′rent den sity n. elm the amount of current flowing through a given cross sectional area in a given time interval: usu. measured in amperes per square centimeter … From formal English to slang
