nonfriable
nounConstruction
A material that, when dry, cannot be crumbled, pulverized or reduced to powder by hand pressure.
Entries starting with N
173 entries.
nonode
A thermionic valve that has nine internal electrodes (typically including seven grids)
nonrepudiation
An assurance that the claimed sender or recipient is in fact the party who sent or received a given message.
nonstop
A nonstop journey, especially a nonstop flight.
noodler
A fossicker, someone who scours mine dumps for valuables.
NOR gate
A logic gate performing a Boolean logic NOR operation.
normal
adjectiveRail equipment
In the default position, set for the most frequently used route.
normal mode
A mode of an oscillating system in which all parts of the system move sinusoidally with the same frequency and with a fixed phase relation. The motion described by the normal modes is called resonance.
normalize
verbMetallurgy
To anneal (steel) for the purpose of decreasing brittleness and increasing ductility.
Norse
A size of type between Saxon and excelsior, 2+¹⁄₂-point type.
north forty
A 40-acre section of land, located in the northernmost part of a farm or ranch.
north pole
The positive pole of a magnetic dipole that seeks geographic north.
northbridge
A microchip connected directly to the CPU (unlike the southbridge) and thus responsible for tasks that require the highest performance.
Norton's theorem
A theorem which states that any electric circuit between two terminals containing only resistors, voltage sources, and current sources can be equivalently replaced with a single current source and resistor in parallel.
Norwegian coupling
nounRail equipment
A manually operated coupling at each end of some narrow-gauge railway rolling stock, consisting of a central buffer incorporating a hook that drops into a slot in the opposing central buffer.
nose
To travel with the nose of the plane/ship aimed in a particular direction.
nose bit
nounCarpentry
A bit similar to a gouge bit, but having a cutting edge on one side of its boring end.
nose cap
The protective covering on the end of an aircraft fuselage.
nosehole
nounManufacturing
A small opening in a furnace, before which a globe of crown glass is held and kept soft at the beginning of the flattening process.
nostepinne
A tool used to wind yarn into a ball for use in knitting, crocheting, or weaving.
NOT gate
A logic gate performing a Boolean-logic NOT operation.
notch
A portion of a mobile phone that overlaps the edge of the screen, used to house a camera, sensors etc. while maximizing screen space.
notchboard
nounCarpentry
The board that receives the ends of the steps in a staircase.
NPOESS
Initialism of National Polar-orbiting Operational Environmental Satellite System.
NPP
Initialism of NPOESS Preparatory Project.
NR
nameRail equipment
Initialism of Network Rail, a rail infrastructure manager in Great Britain.
NRC
Initialism of non-rice crop.
NS
nameRail equipment
Initialism of Norfolk Southern (Railroad).
NSA
Initialism of non-standalone architecture.
NSM
adjectiveAgricultural equipment
Initialism of not station mated.
NST
Initialism of National Standard Thread.
NTC
Initialism of Negative Temperature Coefficient.
NTIDS
Initialism of Nutt time-interval digitizer.
NTL
Initialism of National Transportation Library, part of the United States Department of Transportation's Bureau of Transportation Statistics.
NTR
Initialism of nuclear thermal rocket.
nuc
A nucleus colony; a small bee colony created from a larger colony.
nuclear hydrogen detection meter
A device that contains a radioactive source to emit high velocity neutrons into a roof system. Reflecting neutrons are measured by a gauge that is used to detect hydrogen; the quantity of hydrogen detected may be linked to the pressure of water.
nuclear magneton
The unit of magnetic moment used to describe nucleons such as the proton.
nuclear rocket
A rocket with a nuclear reactor aboard.
nuclear-electric rocket
a rocket with an ion engine powered by a nuclear reactor
nuclear-thermal rocket
a rocket with a thermal gas exhaust engine, whereby the thermal fluid is heated by the nuclear reactor
nuclear-thermoelectric rocket
a rocket with a thermal ion engine, whereby the ions are ionized by electricity from a nuclear reactor, and the fluid that is the source of the ions is heated by that nuclear reactor to increase specific impulse.
nucleus
A small bee-hive used to create a colony from a larger existing one.
nulled work
ornamental turned woodwork resembling beads strung on a rod
nun's thread
A specific type of fine, white sewing thread historically associated with the needlework of nuns.
nurse
A shrub or tree that protects a young plant.
nursery
A place where animals breed, or where young animals are naturally or artificially reared (for example, on a farm).
nut
A projection on each side of the shank of an anchor, to secure the stock in place.
NVM
Abbreviation of non-volatile memory.
NVMe
Initialism of non-volatile memory express; a protocol for efficiently accessing (typically solid-state) NVRAM over a PCIe bus.
NVOCC
Initialism of non-vessel-operating common carrier.
NVRAM
Initialism of non-volatile random access memory.
NWT
nameManufacturing
Initialism of new with tags.