Termlist

This list contains 1525 entries.
If you want to specify your search please use the search operator drop-down list below "Search terms".
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.
Number Term Images
278

daylight

279

daylight factor [D]

280

daylight fluorescent colour

281

daylight illuminant

282

daylight lamp

283

daylight locus

284

daylight opening

285

daylighting

286

daytime running lights

287

defective colour vision

288

delineation

289

delineator

290

densitometer

291

density (optical) [Dτ]

292

depolarizer

293

depreciation factor

294

design speed

295

detectivity (of a detector) [D]

296

detector (of optical radiation)

297

deutan

298

deuteranomaly

299

deuteranopia

300

dichromatism

301

diffraction

302

diffuse horizontal illuminance (from the sky) [Ev,d]

303

diffuse horizontal irradiance [Ee,d]

304

diffuse reflectance [ρd]

305

diffuse reflection

306

diffuse sky radiation

307

diffuse transmission

308

diffuse transmittance [τd]

309

diffused lighting

310

diffuser

311

diffusion

312

diffusion factor (of a diffusing surface, by reflection or by transmission) [σ]

313

digital imaging system

314

dim (adjective)

315

dimmer

316

direct flux (on a surface)

317

direct glare

318

direct illuminance

319

direct lighting

320

direct ratio (of an interior lighting installation)

321

direct solar illuminance [Ev,s]

322

direct solar irradiance [Ee,s]

323

direct solar radiation

324

direct transmission

325

direction-indicator light

326

direction light

327

directional effect

328

directional emissivity (of a thermal radiator, in a given direction) [ε; ε(θ, φ)]

329

directional lighting

330

disability glare

331

discharge, electric (in a gas)

332

discharge lamp

333

discomfort glare

334

dispersion

335

display input/output characteristic

336

display surface

337

display surround (in image technology)

338

display, flat panel

339

display, LCD

340

distribution curve (of luminous intensity)

341

distribution temperature (of a source in a given wavelength range, λ1 to λ2) [TD]

341

distribution temperature (of a source in a given wavelength range, λ1 to λ2) [TD]

342

distributor road

343

diversity [Ud]

344

DLOR (abbreviation)

345

dominant wavelength (of a colour stimulus) [λd]

346

dose (of optical radiation of specified spectral distribution)

347

dose rate

348

dose response curve

349

downlight

350

downward flux (of a source)

351

downward flux fraction (of a luminaire)

352

downward light output ratio (of a luminaire)

353

drip-proof luminaire

354

DRL (abbreviation)

355

duration of exposure [texp]

356

dust-proof luminaire

357

dust-tight luminaire

358

dwelling

359

effective dose [Heff]

360

effective intensity (of a flashing light)

361

effects projector

362

efflux geometry

363

eight degree geometry

364

electric arc (in a gas or a vapour)

365

electric lighting

366

electroluminescence

367

electroluminescent lamp

368

electroluminescent panel

369

electroluminescent source

370

electromagnetic radiation

371

electromechanical matrix variable message sign

372

electronic flash lamp

373

electro-optical conversion function

374

element (of a sign face)

375

element size (of a sign face)

376

elliptically polarized radiation