technology
An infrared transceiver is sometimes called a radio wave. Another term for infrared transceiver is also a microwave oven. Microwave towers are used for cell phone use. Microwaves ovens in the kitchen help to heat food.
used for getting water and sometimes electricity
The term would be hyphenated machine-made, but this is rarely used. Normally the term is used is manufactured.
The term "fprintf" is a command used in the computer programming language C++. The command "fprintf" in C++ is used to print formatted data to a stream.
You're probably referring to the term "slipstream", which is sometimes used synonymously with "prop wash".
The term business economics is used in different ways. Sometimes it is used synonymously with industrial economics/industrial organization, managerial economics, and economics for business.
The adjective municipal is used synonymously with the noun adjunct "city" referring to government in urban areas.
These terms are usually used synonymously.
No. The noun sky is singular and the plural is "skies" (which is used fairly synonymously with sky).
The term is sometimes used of Hitler.
technology
AMericans.
Term used to denote a lesbian, sometimes derogatory.
A sportsman is a male human being who participates in sports. The term sometimes refers to a man engaged in the activities of hunting or fishing for recreation. The term also refers to a man or woman who displays the characteristics of fairness, courtesy to one's competitors, humility in winning, and courage in the midst of losing or adversity when participating in sports. Sometimes the terms "sportsman" and "athlete" are used synonymously. However, strictly speaking, an athlete is someone, male or female, who competes in the running, jumping, and throwing events of track & field.
On Earth, mass and weight are used synonymously because the gravitational force acting on an object is constant. Weight is essentially the force of gravity acting on an object's mass. Since the gravitational acceleration is approximately the same at the surface of the Earth, the terms mass and weight can be used interchangeably.
Revenue is often used synonymously to the word sales (cash & credit both)