As a proper noun light

is .

As a noun otheoscope is

an instrument for exhibiting the repulsive action produced by light or heat in a vacuum; a modification of the radiometer.

As nouns the difference between heat and otheoscope

is that heat is (military) high explosive antitank: a munition using a high explosive shaped charge to breach armour while otheoscope is an instrument for exhibiting the repulsive action produced by light or heat in a vacuum; a modification of the radiometer.

As nouns the difference between vacuum and otheoscope

is that vacuum is a region of space that contains no matter while otheoscope is an instrument for exhibiting the repulsive action produced by light or heat in a vacuum; a modification of the radiometer.

As a verb vacuum

is to clean (something) with a vacuum cleaner.

As nouns the difference between radiometer and otheoscope

is that radiometer is a device that measures radiant energy while otheoscope is an instrument for exhibiting the repulsive action produced by light or heat in a vacuum; a modification of the radiometer.

As nouns the difference between weed and knawel

is that weed is pasture or weed can be willow while knawel is (botany) a low, spreading weed, scleranthus annuus , common in sandy soil.

As nouns the difference between sandy and knawel

is that sandy is (geordie|pejorative) shortened form of sand dancer while knawel is (botany) a low, spreading weed, scleranthus annuus , common in sandy soil.

As a proper noun sandy

is a diminutive of the male given name alexander.

As nouns the difference between soil and knawel

is that soil is a mixture of sand and organic material, used to support plant growth while knawel is a low, spreading weed, Scleranthus annuus, common in sandy soil.

As a verb soil

is to make dirty.

As a noun line

is line.

As an adjective multilineal is

having many lines.

As nouns the difference between instrument and otheoscope

is that instrument is a device used to produce music while otheoscope is an instrument for exhibiting the repulsive action produced by light or heat in a vacuum; a modification of the radiometer.

As a verb instrument

is to apply measuring devices.

As a verb series

is .

As a noun iridoline is

(organic compound) a nitrogenous base of the quinoline series, c₁₀h₉n, extracted from coal-tar naphtha as an oily liquid; probably identical with lepidine.