Termlist

This list contains 1448 entries.
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To search for a term that also appears as part of another term (i.e. "light" but not "lighting", "luminance" but not "illuminance") use a space character after resp. before the search term.
17-1301 -

taxiing light

17-1302 -

test distance (for photometric measurements)

17-1303 -

thermal detector of radiation

17-1304 -

thermal radiation

17-1305 -

thermal (radiation) detector

17-1306 -

thermal radiator

17-1307 -

thermally activated luminescence

17-1308 -

thermochromism

17-1309 -

thermocouple (radiation)

17-1310 -

thermoluminescence

17-1311 -

thermopile (radiation)

17-1312 -

threshold increment (disability glare)

17-1313 -

threshold of illuminance

17-1314 -

threshold zone

17-1315 -

threshold zone luminance (at a specific location in the threshold zone) [Lth]

17-1316 -

tilt during measurement (of a luminaire) [θm]

17-1317 -

tilt in application (of a luminaire) [θf]

17-1318 -

time constant (of a detector whose output varies exponentially with time)

17-1319 -

(time) integrated radiance (in a given direction, at a given point of a real or imaginary surface) [Lt]

17-1320 -

torch

17-1321 -

total cloud amount

17-1322 -

total (energy) transmittance (of glazing material) [g]

17-1323 -

total flux (of a source)

17-1324 -

total turbidity factor (according to Linke) [TL]

17-1325 -

traffic bollard

17-1326 -

traffic control device

17-1327 -

traffic lane

17-1328 -

traffic light

17-1329 -

traffic sign

17-1330 -

traffic signal

17-1331 -

transilluminated display

17-1332 -

transition zone (of a road tunnel)

17-1333 -

transition zone luminance (at a particular location) [Ltr]

17-1334 -

translucency

17-1335 -

translucent medium

17-1336 -

transmission

17-1337 -

transmittance (for incidence radiation of given spectral composition, polarization and geometric distribution) [τ]

17-1338 -

transmittance factor (of a specimen in an optical system) [T]

17-1339 -

transmittance (optical) density [Dτ]

17-1340 -

transparent medium

17-1341 -

transverse direction

17-1342 -

triboluminescence

17-1343 -

trichromatic system

17-1344 -

trip lamp (US)

17-1345 -

tristimulus values (of a colour stimulus)

17-1346 -

tritanomaly

17-1347 -

tritanopia

17-1348 -

troffer

17-1349 -

troland

17-1350 -

trouble lamp (US)

17-1351 -

trunk road

17-1352 -

tungsten filament lamp

17-1353 -

tungsten halogen lamp

17-1354 -

tungsten ribbon lamp

17-1355 -

tunnel

17-1356 -

turn-signal light (US)

17-1357 -

UCS diagram

17-1358 -

Ulbricht sphere

17-1359 -

ULOR (abbreviation)

17-1360 -

ULR (abbreviation)

17-1361 -

ultraviolet hazard irradiance [Es]

17-1362 -

ultraviolet hazard radiant exposure [Hs]

17-1363 -

ultraviolet hazard spectral weighting function [s(λ)]

17-1364 -

ultraviolet lamp

17-1365 -

ultraviolet photocataractogenesis

17-1366 -

ultraviolet protection factor [FUVP]

17-1367 -

ultraviolet radiation

17-1368 -

uniform chromaticity scale diagram

17-1369 -

uniform colour space

17-1370 -

uniform point source

17-1371 -

uniform sky

17-1372 -

uniformity ratio of illuminance (on a given plane)

17-1373 -

unique hue

17-1374 -

unitary hue

17-1375 -

unpolarized radiation

17-1376 -

unrelated colour

17-1377 -

UPF (abbreviation)

17-1378 -

upward flux (of a source)

17-1379 -

upward flux fraction (of a luminaire)

17-1380 -

upward light output ratio (of a luminaire)

17-1381 -

upward light ratio

17-1382 -

utilance (of an installation, for a reference surface) [U]

17-1383 -

utilization factor (of an installation, for a reference surface)

17-1384 -

utilization plane

17-1385 -

UV-A

17-1386 -

UV-B

17-1387 -

UV-C

17-1388 -

UVR (abbreviation)

17-1389 -

UV radiation

17-1390 -

vacuum (incandescent) lamp

17-1391 -

valance lighting

17-1392 -

variable message set

17-1393 -

variable message sign

17-1394 -

veiling glare (imaging)

17-1395 -

veiling luminance (for disability glare)

17-1396 -

veiling reflections

17-1397 -

vertical illuminance [Ev,v; Ev]

17-1398 -

vertical photometric angle (of a light path) [γ]

17-1399 -

viewing flare

17-1400 -

visibility (of a sign)