frontal bone

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noun Anatomy.

a broad membrane bone of the skull, forming the forehead and the upper portion of each orbit.

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Origin of frontal bone

First recorded in 1735–45

Words nearby frontal bone

front, frontad, frontage, frontage road, frontal, frontal bone, frontal cyclone, frontal gyrus, frontality, frontal lobe, front and center

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use frontal bone in a sentence

Not long after I was finally diagnosed, my doctor ordered a bone density scan.
You’re Never ‘Cured’ of an Eating Disorder|Carrie Arnold|December 20, 2014|DAILY BEAST
Later studies showed that only gaining weight and the return of natural menstruation help improve bone density.
You’re Never ‘Cured’ of an Eating Disorder|Carrie Arnold|December 20, 2014|DAILY BEAST
My doctor put me on oral contraceptives to induce a period, figuring it would help build bone.
You’re Never ‘Cured’ of an Eating Disorder|Carrie Arnold|December 20, 2014|DAILY BEAST
This leaves people with a history of anorexia and reduced bone density like me at high risk for fractures.
You’re Never ‘Cured’ of an Eating Disorder|Carrie Arnold|December 20, 2014|DAILY BEAST

An x-ray two hours later confirms my hunch: my tibia (the big bone behind the shin) is snapped clean in two.
You’re Never ‘Cured’ of an Eating Disorder|Carrie Arnold|December 20, 2014|DAILY BEAST
I saw this girl, eight or nine years old, all benumbed and nothing but skin and bone.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Large mononuclear leukocytes probably originate in the bone-marrow or spleen.
A Manual of Clinical Diagnosis|James Campbell Todd
That we will, and you never need want, Mark, for I've many a fine bone buried away against old age and rainy weather.
The Soldier of the Valley|Nelson Lloyd
Myelocytes are the bone-marrow cells from which the corresponding granular leukocytes are developed.
A Manual of Clinical Diagnosis|James Campbell Todd
Polymorphonuclear leukocytes are formed in the bone-marrow from neutrophilic myelocytes.
A Manual of Clinical Diagnosis|James Campbell Todd

British Dictionary definitions for frontal bone

frontal bone

noun

the bone forming the forehead and the upper parts of the orbits. It contains several air spaces

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012