| A | B |
| Nuclear Family | a husband and wife who are legally married, have children, and live together. |
| Postmodern Family | a term meant to include all family variations existing today. |
| Single-Parent Family | a family in which one parent is responsible for the children in a household. |
| Cohabitation | refers to the condition of heterosexual couples living together without being married. |
| Serial Monogamy | an involvement in a single exclusive relationship followed by another exclusive relationship. |
| Same-sex marriage | marriage in which same-sex couples are united legally with all legal rights as traditional married couples. |
| Civil Union | same sex couples recognizined in certain states without legal rights guaranteed in others. |
| Divorce | the legal termination of a marriage. |
| Domestic Partnership | refers to same-sex couples or cohabiting couples recognized in some states but not in others. |
| Grandparent Family | a type of family in which grandoarents are responsible for raising their grandchildren. |
| Sandwich Generation | The generation that may be responsible for care for aging parents and young children at the same time. |
| Empty Nest | a home after the last child has left home |
| Spacious Nest | is in the transition to more physical room in the empty nest home and more psychological space for the marital relationship. |
| Renested Family | a home to which adult children have returned to live temporarily. |
| Boomerang Kids | adult children who return to live with parents temporarily. |
| Ageism | discrimination in the workplace or other areas because of age |
| Fixed Income | income from a pension |
| Assisted Suicide | the situation where one person supplies the means for another to commit suicide in order to prevent suffering. |
| Euthanasia | taking another persons life to prevent suffering |
| Passive Euthanasia | withholding treatment that would prolong life because of the current quality of life is minimal. |