In the process some of the mass of the hydrogen atoms is converted into energy in the form of light. The same process occurs in thermonuclear (fusion) bombs. In the Sun the process occurs in a controled manner.
â¢ POSTER CHILD (noun) The noun POSTER CHILD has 1 sense: 1. a child afflicted by some disease or deformity whose picture is used on posters to raise money for charitable purposes. Familiarity information: POSTER CHILD used as a noun is very rare.
At around 18 months of age, children use one object to represent another object and engage in one or two simple actions of pretend play. At around 36 months of age, children engage in make-believe play involving several sequenced steps, assigned roles, and an overall plan and sometimes pretend by imagining an object without needing the concrete object present. For example, the child may: Cause toys to make noise by shaking, banging, and squeezing them.