Meanings
plural cosmolines
- countableuncountablechemistryA substance obtained from the residues of the distillation of petroleum, essentially the same as vaseline, but of somewhat stiffer consistency, and consisting of a mixture of the higher paraffins.
present singular third person cosmolines · participle present cosmolining · participle past cosmolined · past cosmolined
- To coat with cosmoline.
Its howitzers were turned in to "ordnance and to cosmoline" on the next day, for the war in Europe was ending.
1966, Ulysses Lee, The Employment of Negro Troops, →ISBN, page 6543 more examples
With the Model 1917 tripod, the pintle should be removed from the socket from time to time, wiped clean and lightly oiled or cosmolined where there is friction between it and the socket.
1930, The R.O.T.C. Manual, Infantry: 1st-2nd year advanced, page 178Now, as I understand it you testified that that would lead to the inference that they did not fear an attack and you said that they had the guns themselves there on the ships but they were cosmolined and could not fire.
1946, United States. Congress. Joint Committee on the Investigation of the Pearl Harbor Attack, Pearl Harbor Attack: Hearings, Seventy-ninth CongressIt told in English and German, how an American Ordinance worked, such as receiving the items, giving them numbers, assigning the storage locations, cleaning and cosmolining or applying grease to them.
2003, John Rich, My Awakening, →ISBN
Origin
- Latinoleum“oil”
- Englishcosmoline
Probably from cosmetic + Latin oleum (“oil”).
More words from Latin
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
cosmoline. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cosmoline
“cosmoline.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cosmoline. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “cosmoline,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cosmoline.
Source: cosmoline on Wiktionary, CC BY-SA 4.0.