| L/D | light/darkness [ratio] |
|---|---|
| LDD | late dedifferentiation; light-darkness discrimination |
| LED | light-emitting diode; lowest emitting dose; lupus erythematosus disseminatus |
| LEM | lateral eye movement; Leibovitz-Emory medium; leukocyte endogenous mediator; light emission microsco... |
| LHC | Langerhans cell histiocytosis; left heart catheterization; left hypochondrium; light-harvesting comp... |
| lightening |
When the baby "drops" in preparation for delivery. See also Engagement.
출처: pregnancytoday.com/reference/library/glossary.htm
|
|---|---|
| light meter |
An instrument used to measure the amount of light reflected from or falling on a subject. The measurement is usually expressed in shutter speed and aperture combinations that will render an acceptable exposure. (Also known as an "Exposure meter.")
출처: photographytips.com/page.cfm/2038
|
| lightning |
the large electric sparks produced in and around thunderclouds.
출처: www.advancedforecasting.com/weathereducation/weath...
|
| lightning |
Discharge of an electric field from a cloud.
출처: www.fisicx.com/quickreference/weather/glossary.htm...
|
| light therapy |
a treatment for various disorders including seasonal affective disorder, depression, hypersomnia, and delayed phase sleep disorder. It involves properly timed exposure to bright light to promote a normal sleep-wake cycle and decrease sleep disturbances.
출처: www.sleepcompliance.com/html/glossary.htm
|
| light | the first stage of photosynthesis during which energy from light is used for the production of ATP |
|---|---|
| light | reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller |
| light | the distance light travels in a vacuum in one second |
| light | a display of colored lights moving in shifting patterns |
| light | any device serving as a source of illumination |
| light | the speed at which light travels in a vacuum |
| light | distance measured in terms of the speed of light (or radio waves) |
| light | momentary contact |
| light | a measure of the visible electromagnetic radiation |
| light | make lighter or brighter |
| light | begin to smoke |
| light | start to burn with a bright flame |