Key terms & definitions

A cinema where audiences watch a film while sitting in their cars.

The output component that receives motion from a driver.

The output gear that receives movement from a gear train.

The output pulley, turned by the movement of the belt.

The input component that supplies motion to another component in a mechanical transmission.

The input gear that supplies movement to a gear train.

The input pulley, turned by a motor or another power source.

An approach passage leading to the entrance of a tomb.

Transmission of pathogens in droplets released during coughing or sneezing, which another person may breathe in.

Waste material or impurities associated with metal; figuratively, something considered worthless.

A prolonged period of unusually low rainfall that can cause water shortages.

A prolonged period of unusually low rainfall that can cause water shortages.

A prolonged period of unusually low rainfall that can lead to water shortages.

Actions taken to reduce the effects of a prolonged shortage of rainfall, including emergency relief and preparation for future water shortages.

A crop able to grow with limited water and withstand dry conditions better than less drought-tolerant varieties.

A substance used as a medicine to treat disease or relieve symptoms.

An offence involving illegal drugs, such as unlawful possession or supply.

A biological molecule or process in a pathogen or host cell that a medicine is designed to affect.

A streamlined, elongated hill, commonly made of till, shaped beneath moving glacial ice.

An enclosed dock from which water can be removed so that workers can reach the parts of a ship normally below water.

Methods of cultivating land to conserve scarce moisture and grow crops in areas with little rainfall.

Assembling components without adhesive to check their fit and alignment before permanent assembly.

Cooking food in a pan without adding oil or fat, using foods that contain their own natural fat.

Mass measured after water has been removed, allowing fairer biomass comparisons between organisms.

Following an algorithm manually, instruction by instruction, without executing it on a computer.

A valley without a permanent river, sometimes left when water began draining underground through permeable rock after frozen ground thawed.

A voluntary Defence and Security Media Advisory guideline about information whose disclosure could damage national security or endanger lives. Editors retain the decision about publication.

The deliberate easing of tension between hostile countries; in the Cold War, improved US–Soviet relations through negotiation without ending their rivalry.

Personal prayer or supplication to Allah, rather than the prescribed ritual of salah.

A bar chart with two bars side by side for each category, comparing two data sets on the same scale.