de·fo·cus 
(dē-fōkəs)
(dē-fōkəs)tr.v. de·fo·cused, de·fo·cus·ing, de·fo·cus·es or de·fo·cussed or de·fo·cus·sing or de·fo·cus·ses
To cause (a beam or a lens) to deviate from accurate focus.
n.
The act or result of causing a lens to deviate from accurate focus.
- thymosin
- thymus
- thyr-
- thyreophoran
- thyro-
- thyrocalcitonin
- thyroglobulin
- thyroid
- thyroidal
- thyroid-binding globulin
- thyroid cartilage
- thyroidectomy
- thyroid gland
- thyroid hormone
- thyroiditis
- thyroid-stimulating hormone
- thyrotoxicosis
- thyrotrophic
- thyrotrophin
- thyrotropic
- thyrotropin
- thyrotropin-releasing hormone
- thyroxin
- thyroxine
- thyroxine-binding globulin