Essential oils can become more powerful therapeutically when blended correctly These blends are known as synergies. A synergy is a mix or blend of essential oils all similar in therapeutic properties and chemical families.
Definition of nightingale for English Language Learners. : a small brown European bird that sings a beautiful song especially at night.
Quick Answer. A yellow bird symbolizes joy and a positive outlook on life. Depending on the type of bird, be it a canary, finch or any other yellow bird, the meaning differs slightly. However, the overall meaning of joy remains the same.