Sinus Iridum

[ see-nuhs -ir-i-duhm, sahy- ]

/ ˈsi nəs ˈɪr ɪ dəm, ˈsaɪ- /

Save This Word!

(Bay of Rainbows) a semicircular dark plain in the second quadrant of the face of the moon.

QUIZZES

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.

Question 1 of 7

“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

A fair number explicitly ask for an antibiotic, to cover the possibility that it is “bronchitis” or a “sinus infection.”
Without Education, Antibiotic Resistance Will Be Our Greatest Health Crisis|Russell Saunders|December 19, 2014|DAILY BEAST
Benign secondary headaches include headaches associated with the cold, flu, or sinus infections.
How to Destroy Your Headaches|Dr. Anand Veeravagu, MD, Tej Azad|June 23, 2014|DAILY BEAST
First of all, migraines often are misdiagnosed as sinus headaches.
Why Everything from Frigid Temperatures to Lightning Can Induce Migraines|Caitlin Dickson|January 8, 2014|DAILY BEAST
One of the entries reads: “I spoke with a doctor for a long time about my sinus infections.”
To Dream a Dream: Georges Perec’s Night Visions|Lauren Elkin|December 26, 2013|DAILY BEAST

I suffered intense sinus flare-ups, headaches, high blood pressure, wheezes, and coughs.
My (Electronic) Cigarette Addiction|Eli Lake|January 31, 2013|DAILY BEAST
Sinus duo sunt maiores, vastque; alter is, qui S. Laurentij gurges; alter, qui Francius appellatur.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Dr Klein's account of the origin of the sinus terminalis is quite correct.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
From the first the sinus terminalis possesses cellular walls, as is clear from its mode of origin.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
Cory and Kelly, sixty-eight ounces of blood was removed from the sinus, by aspiration.
Report on Surgery to the Santa Clara County Medical Society|Joseph Bradford Cox
The fluid in the sinus has increased gradually since the evacuation of it with the aspirator.
Report on Surgery to the Santa Clara County Medical Society|Joseph Bradford Cox