Lesson 36

determine the refracting power of (a lens)

a material, typically ceramic or mineral-based, used to line furnaces, kilns, incinerators, or reactors due to its ability to withstand extremely high temperatures without melting or degrading

The furnace was lined with a dense refractory to prevent heat loss.

to resist or hold back from doing or saying something

Despite the urge to argue, she will refrain from responding to the critical comments.

the second lowest brass wind instrument

any North American perciform fish that inhabit fresh waters and have lean bodies

impossible to escape or get rid of

incapable of making mistakes or being wrong

His infallible memory made him a valuable asset to the team.

resistant to bending or physical deformation

The steel beam was inflexible under heavy load.

impossible to resist or refuse, usually because of being very appealing or attractive

The aroma of freshly baked cookies wafting from the kitchen was irresistible, drawing everyone in to indulge.

neglecting one's duties or obligations, often causing harm or inconvenience to others

He was fired from his job for consistently showing up late and being irresponsible with his tasks.

to supply crops, land, etc. with water, typically by artificial means

They irrigate the fields using a network of sprinklers to ensure even water distribution.

(of a quality or skill) gained from the moment that one was born

placed closest to the center

The inmost chamber of the temple housed the sacred artifact.

to fill something or someone with a particular quality, flavor, or emotion

To create a calming atmosphere, she used essential oils to infuse the room with soothing scents.

a method of administering a drug or other substance by a needle and syringe into the bloodstream

to put a dead body in the ground or sea

hesitant and uncertain about what to do

Faced with multiple options, she felt irresolute and couldn't make a decision.