Prismatic deviation

(1) A departure from a specified requirement.~(2) A written authorization, granted prior to the manufacture of an item, to depart from a particular performance or design ...

deviation

Engineering; Electronic engineering

1. In a frequency-modulated (FM) radio signal, the instantaneous amount of carrier frequency shift away from the unmodulated frequency. It is usually expressed in kilohertz; ...

deviation

Biotechnology; Genetic engineering

1. In statistics: the difference between an actual observation and the mean of all observations. 2. An alteration from the typical form, function or behaviour. Mutation or stress ...

ophthalmoscope

Eyewear; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

pantoscopic angle

Eyewear; Optometry

1. Angle in the vertical plane between the optical axis of a spectacle lens and the visual axis of the eye in the primary position, usually taken to be the horizontal. 2. Angle ...

optical material

Eyewear; Optometry

Transparent material capable of being manufactured into optical components.

optical radiation hazard

Eyewear; Optometry

Possibility of damage to the retina by optical radiation.

optical centre

Eyewear; Optometry

For practical purposes, the intersection of the optical axis with the front surface a lens.

ophthalmoscope

Optometry; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

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Industry/Domain: Food (other) Category: Herbs & spices

Celery seed

Spice (whole or ground, sometimes mixed with salt - celery salt) Description: Seeds from wild Indian celery called lovage. Slightly bitter, strong ...