different between lituus vs litmus

English

Etymology

From Latin

Noun

lituus (plural litui)

1. A military trumpet.
   • 1786: Fig. 3. A Roman Lituus, or military trumpet, such as is mentioned by Horace in his first ode. — Francis Grose, A Treatise on Ancient Armour and Weapons, page vi.
2. An augur's staff with a recurved top.
3. (geometry) A curve with polar equation ${\displaystyle r^{2}\theta =a^{2}}$, where a is a constant.

Related terms

• lituate
• lituiform

Further reading

• Mathworld article on the geometrical lituus

Latin

Etymology

From Etruscan or from Proto-Indo-European *(e)lAi- (“to bend”). Compare English lith and German Glied (“limb”).

Pronunciation

• (Classical) IPA^(key): /?li.tu.us/, [?l?t?uos?]
• (Ecclesiastical) IPA^(key): /?li.tu.us/, [?li?t?u?s]

Noun

lituus m (genitive litu?); second declension

1. a military trumpet
2. a curved staff

Declension

Second-declension noun.

Derived terms

• liticen

References

• lituus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• lituus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• lituus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• lituus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• lituus in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin

English

Etymology

From Middle English litmose, lytmose, litemose, from Old Norse litmosi (“moss used for dyeing”), from lita (“to dye, stain”), from litr (“colour, dye, blee”), from Proto-Germanic *wlitiz, *wlituz (“appearance, blee”), from Proto-Indo-European *wel- (“to see”) + mosi (“moss”). Cognate with Old English wlite (“appearance, form, brightness, countenance”). More at moss.

Pronunciation

• IPA^(key): /?l?tm?s/

Noun

litmus (countable and uncountable, plural litmuses)

1. (uncountable) A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
2. A simple test of acidity in a liquid using litmus, usually in the form of litmus paper.
3. A simple test of any attribute; a litmus test.

Synonyms

• (dyestuff from lichen): lacmus

Derived terms

• litmus paper
• litmus test

Translations

See also

• Roccella tinctoria
• Roccella fuciformis
• Roccella pygmaea
• Roccella phycopsis
• Lecanora tartarea
• Variolaria dealbata
• Ochrolechia parella
• Parmotrema tinctorum
• Parmelia
• Roccella montagnei
• Dendrographa leucophoea

Anagrams

• multis, slum it, sultim, tilmus