Make sure water penetrates to the deep roots in addition to wetting surface roots.
—
Nan Sterman,
San Diego Union-Tribune,
1 Aug. 2026
Near-infrared light (around 830 nm) penetrates even deeper, affecting fibroblasts, circulation, and tissue repair, and is frequently paired with red light for greater benefits than either alone.
Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.