Principal engineer salary range. The average principal engineer salary is $96893 based on 571 salary records. The typical salary range for those positions with principal engineer in their job title is between $76346 and $117439. The lowest salary in the principal engineer data was $55000.
migraine miÂ·graine (mÄ«'grÄn') n. A severe recurring headache, usually affecting only one side of the head, that is characterized by sharp pain and is often accompanied by nausea, vomiting, and visual disturbances. Also called hemicrania, megrim, sick headache.
Diffen âº Health âº Diseases. A migraine is a form of vascular headache. Migraine headache is caused by a combination of vasodilatation (enlargement of blood vessels) and the release of chemicals from nerve fibers that coil around the blood vessels. During a migraine attack, the temporal artery enlarges.