An energy-efficient lamp rated at 10 watts uses 10 joules of energy every second (because 1 watt means using one joule per second), so it would take it 37,800 secondsâabout 10.5 hoursâto use as much energy as our kettle uses in a single boil!
raâ¢diâ¢us. 1. a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter. 2. the length of such a line. 3. any radial or radiating part.. A line segment that joins the center of a circle or sphere with any point on the circumference of the circle or the surface of the sphere. It is half the length of the diameter. 2.
Freebase(0.00 / 0 votes)Rate this definition: Conceptus denotes the embryo and its adnexa or associated membranes. The conceptus includes all structures that develop from the zygote, both embryonic and extraembryonic. It includes the embryo as well as the embryonic part of the placenta and its associated membranes - amnion, chorion, and yolk sac.