38 results found

Search Results for: electromagnetic

Electromagnetic radiation

Definition noun The radiation that consists of associated, interacting electric and magnetic field waves traveling at the... Read More

Electromagnetic spectrum

Definition noun The spectrum of all types of electromagnetic radiation Supplement The electromagnetic spectrum includes... Read More

Visible light

Definition noun The electromagnetic radiation with wavelengths between 400 nm and 750 nm and can produce a visual... Read More

Sunlight

Definition noun The electromagnetic radiation of the sun that reaches the earth, particularly infrared, visible light, and... Read More

Light-dependent reaction

Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More

Microwave

Definition noun A form of electromagnetic radiation that is generally characterized by wavelengths ranging from one meter to... Read More

X-ray

Definition noun, plural: X-rays (1) A ray characterized generally by its wavelength ranging from 0.01 to 10 nm, and... Read More

Light energy

Definition noun A form of energy consisting of particle-like photons with wavelike properties, and in which affects the... Read More

Hypersensitivity

Hypersensitivity Definition Hypersensitivity is the exaggerated immune response to protect the human from foreign bodies... Read More

Photon

Definition noun, plural: photons (physics) A quantum unit of light energy or electromagnetic radiation Supplement A photon... Read More

Absorption

Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More

Radiation

radiation (Science: radiobiology) propagation of energy through space. In the context of this report, it is electromagnetic... Read More

Physical Development in Humans

The Newly Born Child Depending on the nutrients available to the child within pregnancy and the genetic makeup of the... Read More

Cancer

Cancer definition In biology, cancer is defined as the malignant growth due to uncontrolled cell division. It is now used... Read More

Biophoton

Definition noun, plural: biophotons A low-energy photon that is released by a biological system Supplement A photon is the... Read More

Chloroplast

Chloroplast Definition What is chloroplast? In biology, a chloroplast refers to the organelle found within the cell of... Read More

Chlorophyll d

Definition noun A type of chlorophyll found in marine red algae and cyanobacteria, and absorbs the infrared light of the... Read More

P680

Definition noun The reaction center chlorophyll (or the primary electron donor) of photosystem II that is most reactive and... Read More

Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More

Chlorophyll a

Definition noun A type of chlorophyll that is most common and predominant in all oxygen-evolving photosynthetic organisms... Read More

Absorption Spectrum

The spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain... Read More

Overview of Chirology

Psychodiagnostic Chirology (PDC) is a comprehensive diagnostic discipline applied by professional behavioral specialists in... Read More

Cross-sections

Cross-section (Science: physics) Usually refers to the (apparent) area presented by a target particle to an oncoming... Read More

Radioactive atom

Radioactive atom (Science: chemistry, physics) An atom with an unstable nucleus, which emits particulate or electromagnetic... Read More

Polarized light

Definition noun Light in which electromagnetic vibrations oscillate repeatedly in only one direction perpendicular to the... Read More

Sense Organs in Insects

By Sachin Chorge Article submitted on January 2008 Article accepted on February 2008   Senses are the... Read More

Valence electron

What are valence electrons? Why are they significant? Valence electrons definition in chemistry: The electrons in an atom's... Read More

Inductothermy

Inductothermy artificial fever production by means of electromagnetic induction. Origin: induction - g. Therme,... Read More

Radioactive decay

radioactive decay (Science: physics) The process by which a spontaneous change in nuclear state takes place. This process is... Read More

Cross-section

Cross-section (Science: physics) Usually refers to the (apparent) area presented by a target particle to an oncoming... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Susceptible

Resistance, vulnerability, sensitivity, tolerance, and susceptibility are some highly important terminologies across the... Read More

Wavelength

wavelength (Science: radiobiology) The length of a single cycle of a wave, usually measured from crest-to-crest. For... Read More

Atom

In the enchanting tapestry of life, the smallest of heroes and a celestial protagonist emerges—'the atom'. With grace and... Read More

Light

Definition noun (1) (physics) The electromagnetic radiation of any wavelength, or sometimes only referring to a range of... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Energy

Reviewed by: Todd Smith, PhD Definition noun, plural: energies (1) The capacity for work. (2) The ability to... Read More

photomedicine

Photomedicine Definition Photomedicine is a branch of medicine that specializes in the therapeutic application of light. As... Read More