### hour:

Mealtime
* acts as one opportunity for toddlers to test themselves against their parents.
* are a time to satisfy nutritional needs for healthy growth and development.
* are an important part of family life
  - the day for children
  - especially important for very young children
  - opportunities for children to be independent by making choices about foods
  - the largest loss of income in the average workers day
* build skills in self-feeding, cooking and social awareness.
* help children learn a lot about life and love, giving and receiving.
* provide a chance to interact and to share experiences with others.

Office hour
* are individual or group meetings, depending on the number of people who show up
  - the hour before class unless otherwise noted in the calender
* vary according to the average volume of transactions during a given period of time.

Rush hour
* are hours
  - time of day
* occurs when school students are let out and the streets fill with bicycles.

Household chemical
* Many household chemicals can be harmful if consumed by a companion animal.
* Most household chemicals cause chemical reaction
* Some household chemicals can cause burn injuries on skin contact.
* are dangerous if ingested in large amounts.
  - serious reaction

### household current:

Power supply
* Power Supplies create the precise voltages necessary for the different electronic subsystems
  - supplies contain lethal voltages
* is household current.

### household products:

Household product
* Many household products are actually toxic
  - also pesticides
  - hazardous materials
* Many household products are poisonous, and can be harmful or fatal if swallowed
  - corrosive, or flammable
  - can be both dangerous to use and to dispose
* Many household products contain ingredients which are hazardous to human health and the environment
  - the same chemicals produced and used by industry
  - toxic ingredients that find their way into the water and air
  - sold in plastic or glass containers are recyclable
* are household products.

### houseplants:

Chinese evergreen
* are houseplants
  - native to tropical Asia
  - sensitive to fumes, especially from oil or gas
* do well in average indoor temperatures.
* is one of the most durable house plants.

### houses:

Greek house
* Many Greek houses are older buildings of balloon construction with open stairways.
* are houses
  - university approved housing and freshman can live in a Greek house
* have responsibilities that go along with setting their own living rules.

Hub
* Some hubs are full-fledged computers that also act as network servers.
* Some hubs are part of automobiles
  - propellers
* come in various shapes and sizes.
* have a heirarchial topology, with a root hub, that can branch three deep in the heirarchy.
* provide the physical connection between network elements.

Hue
* Some hues depend on specific conditions.
* are modifications of color such as orangish-red.
* vary from white and silver-pinks, to cream whites and pinks.

Human action
* All human actions have their origin in the heart.
* Some human actions take a direct toll on butterfly populations.
* are books
  - goal directed and lead by plans
  - in part conditioned by our understanding of how the natural world works
  - the leading cause of accidents
* are the primary means of invasive species introductions
  - reason invasive species are introduced into an ecosystem
  - wrong only when they hurt people
* can affect the biosphere
  - also lead to flooding
* impact the food web.
* is an event
  - conscious behavior on the part of a human being
  - directed by ideologies
  - one of the agencies bringing about change
* lead to rebirth, wherein good deeds are inevitably rewarded and evil deeds punished.
* manifestation of the mind.
* occur in a context of relationships with others.
* tends to be motivated by economic interests.
* threaten the survival of many land and ocean ecosystems.