37 results found

Search Results for: optical

Optical

optical 1. Of or pertaining to vision or sight. The moon, whose orb through optic glass the tuscan artist views. (milton) 2.... Read More

Optical density

Definition noun (1) The measure of transmittance of an optical medium for a given wavelength. The higher the OD the lower... Read More

Parallax

parallax 1. The apparent displacement, or difference of position, of an object, as seen from two different stations, or... Read More

Sonoporation

Definition noun A mechanical method of delivering molecules into the cell using sound, e.g. ultrasonic... Read More

Compound microscope

Compound microscope (Science: instrument) a microscope (an optical instrument that augments the power of the eye to see... Read More

Rayleigh criterion

Rayleigh criterion (Science: microscopy) A criterion chosen by lord Rayleigh to define the limit of resolution of a... Read More

Reduced eye

reduced eye A simplified design of the ocular optical system, represented as having a single refracting surface and a... Read More

Numerical aperture

numerical aperture For a lens the resolving power depends upon the wavelength of light being used and inversely upon the... Read More

Stereoscope

stereoscope (Science: instrument) An optical instrument for giving to pictures the appearance of solid forms, as seen in... Read More

Absorbance

Definition noun (analytical chemistry) A logarithmic measure of the amount of light absorbed (at particular wavelength) as... Read More

Coenzyme

Enzymes can break down complicated large molecules into simpler smaller ones, they can combine small molecules or atoms to... Read More

Transfection

Definition noun (molecular biology) The process of deliberate introduction of nucleic acids into a recipient eukaryotic... Read More

Reticulated

reticulated 1. Resembling network; having the form or appearance of a net; netted; as, a reticulated structure. 2. Having... Read More

Flare

Flare (Science: microscopy) Unwanted light in an optical instrument that arises by reflection at lens surfaces (including... Read More

Macroorganism

Definition noun, plural: macroorganisms Any macroscopic organism. Supplement Macroorganisms are large enough to be seen by... Read More

Electroporation

Definition noun, plural: electroporations A non-chemical method that transfers the genetic material into the recipient cell... Read More

Impalefection

Definition noun A method of delivering large molecules into cells using nanomaterials, such as carbon nanofibers, carbon... Read More

Birefringence

Birefringence (Science: chemistry) optical property of a material in which the refractive index is different for light... Read More

Principal

principal 1. Highest in rank, authority, character, importance, or degree; most considerable or important; chief; main; as,... Read More

Nodal points

nodal point One of two point's in a compound optical system so related that a ray directed toward the first point will... Read More

Eyepiece

Eyepiece (Science: microscopy) The lens system used in an optical instrument for magnification of the image formed by the... Read More

Photography

photography 1. The science which relates to the action of light on sensitive bodies in the production of pictures, the... Read More

Aperture

Aperture (Science: physics) The opening in an optical system which restricts the size of the bundle of rays incident on a... Read More

Microscope

Microscope (Science: instrument) A piece of laboratory equipment that is used to magnify small things that are too small to... Read More

Spectacle

spectacle 1. Something exhibited to view; usually, something presented to view as extraordinary, or as unusual and worthy of... Read More

Accommodation

Accomodation, in general sense, may refer to the dwelling or a transient lodging. In biology, it refers to an adjustment or... Read More

Illusion

Illusion 1. (Science: psychology) An unreal image presented to the bodily or mental vision; a deceptive appearance; a false... Read More

Cardinal points

Cardinal points The four points in the pelvic inlet toward one of which the occiput of the baby is usually directed in case... Read More

Activity

Activity 1. The state of being active, the ability to produce some effect, the extent of some function or action. 2.... Read More

Ocular

Definition noun, plural: oculars Eyepiece of the microscope; the lens at the end of certain optical instruments (e.g.... Read More

Ord

Ord (Science: abbreviation) optical rotatory dispersion. symbol for... Read More

Mach line

Mach line The apparent line of contrasting density bordering a soft tissue shadow on a radiograph; it is an optical illusion... Read More

Airy disk

Airy disk (Science: microscopy) The image of a bright point object as focused by a lens system. With monochromatic light, it... Read More

Micrometer

micrometer An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of... Read More

Schemochromes

schemochromes --> structural colour A colour created by an optical effect (e.g., via interference, refraction, or... Read More

Matrix

Bodies of living organisms are organized structures. These are organized in a hierarchy of organ systems, organs, tissues,... Read More

Gene gun

Definition noun A method of transferring large molecules such as DNA into the cell by coupling the DNA to a nanoparticle of... Read More