When an engine is ignited, it produces thrust and boosts the rocket into the sky. After the propellant is used up, delay is activated, producing tracking smoke and allowing the rocket a brief coast.
infirmary (plural infirmaries) 1  A place where sick or injured people are cared for, especially a small hospital; sickhouse. 2  A clinic or dispensary within another institution.
Urinary Tract Infection (UTI) Glossary of Terms. The following are health and medical definitions of terms that appear in the Urinary Tract Infection (UTI) article. Abdomen: The belly, that part of the body that contains all of the structures between the... Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.