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sour

adj. denoting the taste elicited by acids. Increasing sourness generally occurs with declining pH. Acids are involved in many physiological processes and also characterize unripe or spoiled foods; thus, their detection is essential for an organism’s ion homeostasis and food selection. —sourness n.

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Psychology term of the day

January 27th 2025

terminal care

terminal care

services for people with terminal illness, now usually provided by hospices, which may be either freestanding units or associated with hospitals, nursing homes, or extended care facilities. The emphasis is on palliative care, pain control, supportive psychological services, and involvement in family and social activities, with the goal of enabling patients to live out their lives in comfort, peace, and dignity.