Words that start with I

Icy iguanas ignite Indian ink in an igloo.

Iis forIndoor

You are indoors if you are inside a house or other building. An indoor version of something is one that is meant to be kept or used indoors, for example an indoor plant.
Something is industrial if they are used for or by industry. This usually means heavy manufacturing or large scale production, like ore refining. Industrial objects are usually very big, heavy and dirty. The opposite of industrial is domestic.
An industrial piercing is a kind of body piercing made with two piercings connected by one piece of jewelry, usually a barbell. It is often done through the ear cartilage, like the upper ear.

Iis forInfest

When a lot of something that you really don't want, comes to a place where you don't want them, they are infesting that place. You might have aphids infest your rose bushes. Infestations usually take some effort to get rid of.
An infestation is when a lot of something that you really don't want, comes to a place where you don't want them. You might have aphids infest your rose bushes. Infestations usually take some effort to get rid of.
Influenza is an infectious disease that birds and animals can get. The flu generally gives you a fever, sore throat, muscle pains, headache, a cough, and generally makes you feel very bad.

Iis forIngest

You ingest something when you take it into your body, usually by eating it. Ingest is a more technical term for eating, but can also include non-food items that you have ingested that aren't actually edible.

Iis forInhale

You inhale when you breathe in. The opposite of inhale is exhale.

Iis forInject

Injecting is a way of forcing a liquid inside something else. Medicines are often injected into people's vein using a syringe. The person in the picture is injecting marinade under the skin of a chicken before cooking it.
When you give someone an injection you use a syringe to put some liquid into them through a small needle. The person in the picture is being vaccinated.