Plural of sinus

Forms of sinus

Sinuses in a sentence

• The variations are described in terms of cycles of sinuses and cosinuses.1996, Pentti Zetterberg, Matti Eronen, Markus Lindholm, “Construction of a 7500-Year Tree-Ring Record for Scots Pine (Pinus sylvestris, L.)...
• Excessive and sticky-thick mucus secretions may be observed in the valleculae, piriform sinuses, and endolarynx.2015 July 16, “Association between Chronic Laryngitis and Particulate Matter Based on the Korea National Health and Nutrition Examination…. From the entry endolarynx
• A considerable number of us injure noses, sinuses or middle ears in wrongly performing this simple act.1965 August 2, “Gesundheit, Everybody”, in Leroy A. Simms, editor, The Huntsville Times, volume 56, number 133, Huntsville, Ala., →ISSN…. From the entry sneezery
• Two or three cannulæ are requisite also for washing out the sinuses.1915, F. H. Westmacott, System of Treatment by many Writers, volume III, The Macmillan Company, page 717. From the entry cannula
• To judge from its sinuses, Hispanopithecus crusafonti is the earliest known hominine (the group including all great apes except orangs).2018, Tim Flannery, Europe: A Natural History, page 115. From the entry orang

Meaning of sinus

1. noun A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).
2. noun An irregular venous or lymphatic cavity, reservoir, or dilated vessel.
3. noun Relating to or denoting the sinoatrial node of the heart or its function of regulating the heartbeat.

Full definition of sinus

More about sinus

• Meaning of sinus
• Sinus in a sentence
• Sinus in Hindi
• Sinus in Tamil
• Sinus in Marathi
• Sinus in Bengali

Questions about the plural of sinus

What is the plural of sinus?

The plural of sinus is sinuses.

Is sinus countable?

Sinus is a countable noun.