The A-level (Advanced Level) is a subject-based qualification conferred as part of the General Certificate of Education, as well as a school leaving qualification...

Look up level, Level, leveled, levelled, or levels in Wiktionary, the free dictionary. Level or levels may refer to: Level (optical instrument), a device...

Look up AS-level or AS Level in Wiktionary, the free dictionary. AS-level can refer to: Advanced Subsidiary level, a public examination taken for the...

Levelling or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure...

On the Level is the eighth studio album by English rock band Status Quo. It features Francis Rossi, Richard Parfitt, Alan Lancaster and John Coghlan....

Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights...

above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean...

energy levels of nuclei or vibrational or rotational energy levels in molecules. The energy spectrum of a system with such discrete energy levels is said...

In mathematics, a level set of a real-valued function f of n real variables is a set where the function takes on a given constant value c, that is: L c...

A biosafety level (BSL), or pathogen/protection level, is a set of biocontainment precautions required to isolate dangerous biological agents in an enclosed...